Yellow Duck Technologies Inc.

Cleared Junior Software Engineer

Wed, 22 Apr 2026 12:00:12 +0000

Yellow Duck Technologies is actively seeking Junior Software Developers who hold TS/SCI Full Scope Polygraph clearance.

Requirements:

Must have an active TS/SCI clearance with Full Scope Polygraph
3+ years of experience and a bachelor's degree in a technical discipline
Experience with Python, JavaScript, and/or Java
Familiarity with database systems and version control systems
Strong communication and collaboration abilities

Yellow Duck Technologies provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, ethnicity, religion, sex, sexual orientation, gender identity and expression, national origin, disability, genetic information, veteran status, or any other protected characteristic or class.

Cleared User Interface Developer

Wed, 22 Apr 2026 12:00:03 +0000

Yellow Duck Technologies is actively seeking talented UI developers who hold TS/SCI clearance with FSP. Responsibilities include developing and maintaining user interfaces to support mission, collaborating closely with the tech lead on technical decisions and the product roadmap, interacting with customers to resolve issues and propose new features, and supporting the testing and deployment of production applications.

Requirements:

Must have an active TS/SCI clearance with full scope polygraph.
7+ yrs., B.S. in a technical discipline or 4 additional yrs. in place of B.S.
Experience with a modern JavaScript framework (e.g., React, Vue, Angular).
Experience with design, debugging, and problem solving with JavaScript.

Nice to Haves:

Spring Boot experience, or development with a similar Java framework.
Experience with automated build tools, continuous integration, and continuous deployment.
Experience with containerization and orchestration technologies (e.g., Kubernetes).
Kafka experience.

Cleared Middleware Developer

Wed, 22 Apr 2026 11:59:55 +0000

Yellow Duck Technologies is seeking a TS/SCI FSP cleared Middleware Developer to support a microservice ecosystem with several user interfaces. Project management is done using feature driven development. The candidate will be working with mission critical systems.

Responsibilities:

Develop and maintain Java microservice web applications.
Work closely with tech lead on technical decisions and product roadmap.
Resolve challenging software engineering design problems.
Interact with customers to resolve issues and propose new features.
Support testing and deployment of production applications.

Requirements:

Must have an active TS/SCI clearance with Full Scope Polygraph.
14+ yrs., B.S. in a technical discipline or 4 additional yrs. in place of B.S.
Experience with design, debugging, and problem solving with Java.
Spring Boot experience, or development with a similar Java framework.
RESTful web service experience.
Experience interacting with MongoDB or similar database technology.
Experience with automated unit, integration, and external integration testing.

Nice to Haves:

Full stack experience including UI development with a modern JavaScript framework (e.g., React, Vue, Angular).
Experience with automated build tools, continuous integration, and continuous deployment.
Experience with containerization and orchestration technologies (e.g., Kubernetes).
Kafka experience.

Yellow Duck is hiring cleared technical professionals at all skill levels. If you possess an active TS/SCI clearance with Full Scope Polygraph, please submit your resume for a friendly follow-up and quick job-matching response!

Yellow Duck Technologies provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, ethnicity, religion, sex, sexual orientation, gender identity and expression, national origin, disability, genetic information, veteran status, or any other protected characteristic or class.

Cleared Senior Systems Engineer (DevOps)

Wed, 22 Apr 2026 11:59:44 +0000

Yellow Duck Technologies is seeking seasoned Senior Systems Engineers to apply systems engineering principles throughout all phases of the systems life cycle. The ideal candidate will excel in interpersonal and communication skills, adeptly gather and refine requirements, and produce thorough documentation. They will build strong customer relationships by engaging with external stakeholders and take a collaborative approach to recommending priorities, considering team dynamics and mission objectives.

Qualifications:

Active TS/SCI with Full Scope Polygraph clearance.
20 years of experience in systems engineering.
Bachelor's degree in a related field, or 4 years of additional relevant experience in lieu of a degree.

Cleared System Administrator

Wed, 22 Apr 2026 11:59:37 +0000

Yellow Duck Technologies is seeking cleared System Administrators with 10+ years of experience to support the implementation, troubleshooting, and maintenance of IT systems. This role involves managing IT infrastructure, handling day-to-day operations, monitoring systems, and resolving issues across client/server/storage/network devices. An active TS/SCI with Full Scope Polygraph clearance is required.

Key Responsibilities:

Support IT systems, including daily operations, monitoring, and problem resolution.
Manage UNIX and Windows operating systems, including installation, troubleshooting, and maintenance.
Enhance system reliability and performance through configuration and system improvements.
Handle Linux (CentOS/RHEL) installation and troubleshooting.
Perform VM maintenance, building, and troubleshooting.
Read vulnerability reports and ensure IAVA compliance.

Cleared Reverse Engineer

Wed, 22 Apr 2026 11:59:30 +0000

Yellow Duck Technologies is seeking Reverse Engineers with active TS/SCI w/FSP clearance.

Qualifications:

Experience using industry standard reverse-engineering tools such as IDA, Ghidra, OllyDbg, etc.
Experience with vulnerability research and exploit development.
Experience with low-level programming in a Windows, Linux, or RTOS (e.g., VxWorks, uC/OS) environment and assembly language (e.g., x86/64, ARM).
Knowledge of C/C++ and Python.
Familiarity with Git and Subversion.
Bachelor's degree in a technical discipline; additional 4 years of experience may substitute degree.
Active TS/SCI clearance with Full Scope Polygraph.

Cleared Embedded Developer

Wed, 22 Apr 2026 11:59:23 +0000

Yellow Duck Technologies is seeking embedded developers with active TS/SCI with Full Scope Polygraph clearance.

Responsibilities:

Design, develop, debug, and modify embedded software.
Participate in code reviews and work as part of a larger team to develop embedded software products.
Create and maintain documentation on developed software and techniques.
Develop and maintain support software for interfacing with developed embedded software.
Conduct developer testing and integration testing for all developed software.

Qualifications:

Bachelor's degree in a technical discipline; additional 4 years of experience may substitute degree.
Experience with low-level programming in a Windows, Linux, or RTOS (e.g., VxWorks, uC/OS, etc.)
Experience with C/C++ and Python programming.
Active TS/SCI clearance with Full Scope Polygraph.

Cleared MongoDB Cluster Administrator

Wed, 22 Apr 2026 11:59:16 +0000

Description

This role will be on a fast-moving software engineering team supporting a microservice ecosystem and leveraging MongoDB as a database solution. Project management is done using feature driven development, and the candidate will be working with mission critical systems.

Responsibilities

Maintaining a large MongoDB cluster (20+ shards) for a mission critical application ecosystem.
Implementing and maintaining monitoring of cluster performance.
Working with application developers to appropriately interface with MongoDB via libraries like Spring Data.
Performing regular live upgrades of the MongoDB cluster.
Establish regular cluster backups and procedures for failover of the cluster.

Requirements

Must have an active TS/SCI clearance with Full Scope Polygraph
A firm grasp of sharded MongoDB clusters. This includes monitoring house-keeping items like monitoring chunk migration and other mongo operations, helping pick shard keys, and monitoring the health of the cluster.
A deep understanding of Mongo's replication capabilities.
An understanding of tuning queries, managing indexes, and evaluating explain plans.
Experience monitoring critical functions of MongoDB.

Nice to Haves

Experience with Java and Spring Boot.
Experience with containerization and orchestration technologies (e.g., Kubernetes).
Experience with automated build tools, continuous integration, and continuous deployment.

Years of Experience

14+ yrs., B.S. in a technical discipline or 4 additional yrs. in place of B.S.

Cleared Kubernetes Engineer

Wed, 22 Apr 2026 11:59:10 +0000

Yellow Duck Technologies is seeking an experienced Kubernetes Engineer with an active TS/SCI with Polygraph clearance.

Key Responsibilities:

Monitor, configure, and administer multi-tenant Kubernetes clusters across multiple regions.
Utilize a deep understanding of Kubernetes and the Cloud Native Computing Foundation (CNCF) ecosystem, including tools like Helm and Istio.
Implement best practices for Kubernetes deployment and management.

Qualifications:

Extensive experience with Kubernetes and the CNCF ecosystem.
Proven experience in managing multi-tenant Kubernetes clusters across multiple regions.
CKAD or CKA certifications are a significant plus.

Cleared AI/ML Software Engineer

Wed, 22 Apr 2026 11:59:04 +0000

Yellow Duck Technologies is seeking a Software Engineer with TS/SCI FSP clearance to join our artificial intelligence and machine learning (AI/ML) team. Responsibilities include training, hosting, and the optimization of Large Language Model (LLM) instances within our computing environment.

Requirements:

Must have an active TS/SCI clearance with Full Scope Polygraph.
12+ years of experience in software engineering, with a focus on machine learning or natural language processing.
Degree in Computer Science, Artificial Intelligence, or a related field.
Strong expertise in deep learning frameworks such as TensorFlow, PyTorch, or MXNet.
Proficiency in programming languages such as Python, C++, or Java.
Solid understanding of LLM architectures, training techniques, and evaluation methodologies.
Familiarity with cloud platforms (e.g., AWS, GCP) and their machine learning services.
Knowledge of software engineering best practices, including version control, testing, and continuous integration/deployment.
Excellent problem-solving and debugging skills.
Strong communication and collaboration abilities to work effectively with cross-functional teams.

Yellow Duck is hiring cleared technical professionals at all skill levels. If you possess an active TS/SCI clearance with Full Scope Polygraph, please submit your resume for a friendly follow-up and quick job-matching response!

Yellow Duck Technologies provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, ethnicity, religion, sex, sexual orientation, gender identity and expression, national origin, disability, genetic information, veteran status, or any other protected characteristic or class.

Cleared Senior Windows CNO Developer & Analyst

Wed, 22 Apr 2026 11:58:58 +0000

Yellow Duck Technologies is seeking a Senior Windows Reverse Engineer & CNO Developer with 12+ years of experience in low-level software analysis, reverse engineering, and exploit development. The ideal candidate will have extensive expertise in C++ and Python development, experience reading and writing assembly (x86/x64, ARM, PPC, MIPS, SPARC, or others), and proficiency with debugging tools such as WinDbg. This role requires deep knowledge of Windows internals, OS security, and exploitation techniques, along with the ability to analyze network protocols, exploitation mitigations (DEP, ASLR), and modern software engineering principles. The candidate will work on cutting-edge vulnerability research, collaborating in an Agile environment to drive security innovations.

Requirements:

Must have an active TS/SCI clearance with Full Scope Polygraph.
Bachelor’s degree in a related field or an additional 4 years of relevant experience in lieu of a degree.
12+ years of experience in software security research, reverse engineering, and CNO development.
Proficiency in C++ and Python.
Experience reading and writing assembly.
Hands-on experience with debugging tools.
Strong knowledge of reverse engineering tools.
Deep understanding of Windows internals, OS security, network protocols, and sockets.
Familiarity with common CNO techniques and exploitation mitigations.
Experience with Scrum/Kanban methodologies.
Proficiency with version control systems.
Understanding of basic configuration management principles.

Cleared Windows CNO Developer & Analyst (Mid-Level)

Wed, 22 Apr 2026 11:58:52 +0000

Yellow Duck Technologies is seeking a Windows CNO Developer & Analyst with expertise in low-level software analysis, vulnerability research, and exploit development. The ideal candidate will have experience designing and writing code in C++ and Python, reading and writing assembly (x86/x64, ARM, PPC, MIPS, SPARC, or others), and working with debugging tools such as WinDbg. This role requires a strong understanding of Windows internals, OS security mechanisms, and exploitation techniques, along with the ability to analyze network protocols, exploitation mitigations (DEP, ASLR), and modern software engineering principles. The candidate will work in a collaborative, Agile environment to research vulnerabilities and develop innovative security solutions.

Requirements:

Must have an active TS/SCI clearance with Full Scope Polygraph.
Bachelor’s degree in a related field or an additional 4 years of relevant experience in lieu of a degree.
Minimum 6 years of experience in software security research, reverse engineering, and development.
Proficiency in C++ and Python.
Experience with assembly programming.
Strong background in debugging tools.
Hands-on experience with reverse engineering tools.
Deep understanding of Windows internals, OS security, network protocols, and sockets.
Familiarity with common CNO techniques and exploitation mitigations.
Experience with Scrum/Kanban methodologies.
Proficiency with version control systems.
Understanding of basic configuration management principles.

Cleared Windows CNO Developer & Analyst (Entry-Level)

Wed, 22 Apr 2026 11:58:47 +0000

Yellow Duck Technologies is seeking a Windows CNO Developer & Analyst with expertise in low-level software analysis, reverse engineering, and exploit development. The ideal candidate must have experience designing and writing code in C++ and Python, working with assembly (x86/x64, ARM, PPC, MIPS, SPARC, or others), and using debuggers like WinDbg. This role requires a deep understanding of Windows internals, OS security mechanisms, and common CNO techniques, along with experience analyzing network protocols, exploitation mitigations (DEP, ASLR), and modern software engineering concepts. The candidate will work within an Agile environment, collaborating with other security researchers to identify vulnerabilities and develop innovative security solutions.

Requirements:

Must have an active TS/SCI clearance with Full Scope Polygraph.
Bachelor’s degree in a related field or an additional 4 years of relevant experience in lieu of a degree.
Minimum 4 years of experience in software security research and reverse engineering.
Strong programming skills in C++ and Python.
Proficiency in reading and writing assembly.
Experience with debugging tools.
Hands-on experience with reverse engineering tools.
In-depth knowledge of Windows internals, OS security, network protocols, and sockets.
Understanding of common CNO techniques and exploitation mitigations.
Familiarity with Scrum/Kanban methodologies.
Experience with version control systems.
Knowledge of basic configuration management principles.

Cleared Mobile Vulnerability Researcher

Wed, 22 Apr 2026 11:58:41 +0000

Yellow Duck Technologies is seeking a Mobile Vulnerability Researcher to join a team focused on identifying and exploiting vulnerabilities in mobile technologies. The ideal candidate must be proficient in the latest techniques in vulnerability research, with strong skills in C, Python, and Assembly (ASM) to demonstrate control over discovered flaws. This role requires attention to detail, especially when documenting research findings, and the ability to work collaboratively with other researchers and developers in a fast-paced security environment.

Requirements:

Must have an active TS/SCI clearance with Full Scope Polygraph.
Bachelor’s degree in a related field or an additional 4 years of relevant experience in lieu of a degree.
Strong development skills in C, Python, and Assembly (ASM).
Experience reading and writing assembly.
Extensive experience using debuggers.
Familiarity with best practices in vulnerability research.
Ability to work closely with researchers and developers to analyze and exploit security flaws.
Strong attention to detail in research documentation.

Cleared Senior Software Researcher

Wed, 22 Apr 2026 11:57:44 +0000

Yellow Duck Technologies is seeking a Senior Software Researcher to independently analyze and identify vulnerabilities in software and software architecture design. This role requires expertise in vulnerability research, software security analysis, and exploit development, with a focus on identifying, documenting, and demonstrating control over software flaws. The ideal candidate will have strong development skills in C, Python, and Assembly, experience with OS internals across major platforms, and the ability to analyze distributed architectures and inter-component protocols. This position demands attention to detail, problem-solving skills, and the ability to work both independently and collaboratively on cutting-edge security research.

Requirements:

Must have an active TS/SCI clearance with Full Scope Polygraph.
Bachelor’s degree in a related field or an additional 4 years of relevant experience in lieu of a degree.
Strong proficiency in C, Python, and Assembly (ASM).
Deep understanding of software vulnerabilities and secure coding best practices.
Strong understanding of distributed architectures and protocol analysis between disparate system components.

Cleared Senior CNO Analyst/Programmer

Wed, 22 Apr 2026 11:57:35 +0000

Yellow Duck Technologies is seeking a Senior CNO Developer to design, develop, and secure Computer Network Operations (CNO) capabilities for mission-critical cybersecurity initiatives. This role focuses on SSL/TLS protocol implementation, network security, cryptographic attack prevention, and secure coding practices. The ideal candidate will have expertise in low-level programming, vulnerability research, and network traffic analysis, working within an Agile development environment to support national security efforts.

Requirements:

Must have an active TS/SCI clearance with Full Scope Polygraph.
Minimum 16 years in a relevant field, or:
- 12 years with a Bachelor’s degree.
- 10 years with a Master’s degree.
- 8 years with a PhD.

Cleared Senior Embedded Systems Engineer

Wed, 22 Apr 2026 11:57:28 +0000

Yellow Duck Technologies is seeking an expert-level Embedded Systems Engineer with 12+ years of experience in analyzing, developing, and leading embedded systems projects. The ideal candidate will have deep expertise in embedded assembly languages such as ARM, PPC, and MIPS, with a strong background in researching and developing within embedded environments like VxWorks, ELDK, or custom operating systems. This role requires technical leadership, problem-solving skills, and the ability to coordinate with customers to define milestones and drive complex tasks to completion. The candidate must be self-motivated, capable of leading teams, and comfortable working on highly technical, mission-driven projects.

Requirements:

Must have an active TS/SCI clearance with Full Scope Polygraph.
12+ years of experience analyzing and developing embedded systems.
Bachelor’s degree in a related field or an additional 4 years of relevant experience in lieu of a degree.
Extensive experience with embedded assembly languages.
Proficiency in Python, C, and Assembly (ASM) development.
Strong understanding of embedded environments.
Familiarity with debugging tools.
Ability to lead technical teams and coordinate with customers on research initiatives.
Experience breaking down complex problems into structured milestones.
Self-driven researcher with a track record of successfully completing highly technical, mission-critical tasks.

Cleared CNO Analyst/Programmer

Wed, 22 Apr 2026 11:57:21 +0000

Yellow Duck Technologies is seeking a skilled CNO Developer to design, develop, test, and maintain Computer Network Operations (CNO) capabilities for mission-critical objectives. The role involves low-level programming, reverse engineering, vulnerability research, and secure application development across Windows, UNIX, and mission-specific platforms. The ideal candidate will have expertise in secure coding, cryptographic security, SSL/TLS protocols, and network traffic analysis, collaborating in a fast-paced, Agile environment to develop cutting-edge cybersecurity solutions.

Requirements:

Must have an active TS/SCI clearance with Full Scope Polygraph.
Bachelor’s degree in a related field or an additional 4 years of relevant experience in lieu of a degree.
6+ years of programming experience in Assembly, C, C++, Java, Python, and/or Perl.
5+ years developing in Windows (.NET, Visual Studio), UNIX (Makefiles), or specialized platforms.
4+ years developing CNO tools and techniques.
2+ years developing CNO tools for U.S. Government use.
2+ years experience with network socket programming and packet-level development.
2+ years experience implementing evasion techniques for IDS and network security bypassing.
Excellent problem-solving and debugging skills.
Strong communication and collaboration abilities to work effectively with cross-functional teams.

Cleared Systems Engineer (DevOps)

Wed, 22 Apr 2026 11:57:16 +0000

Yellow Duck Technologies is seeking cleared Systems Engineers to apply systems engineering principles throughout all phases of the systems life cycle. The ideal candidate will excel in interpersonal and communication skills, adeptly gather and refine requirements, and produce thorough documentation. They will build strong customer relationships by engaging with external stakeholders and take a collaborative approach to recommending priorities, considering team dynamics and mission objectives.

Qualifications:

Active TS/SCI with Full Scope Polygraph clearance.
12 years of experience in systems engineering.
Bachelor's degree in a related field, or 4 years of additional relevant experience in lieu of a degree.