Firmware-Savvy CNO Developer (TS/SCI w/Poly)
$103.5k - $181.1kParsons Corporation
In a world of possibilities, pursue one with endless opportunities. Imagine Next!At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.Job Description:Parsons is seeking a talented Reverse Engineer / Embedded Software Developer who wants to apply and grow their skills on mission-critical work. If you are passionate about reverse engineering (RE), embedded development, and vulnerability research—and you want to work with and learn from leading subject matter experts—this role offers a strong next step in your career.You will join a high-impact team supporting a critical national security mission. In this role, you will perform hands-on reverse engineering and embedded software development to build capabilities our customer urgently needs. You’ll collaborate closely with experienced embedded developers, vulnerability researchers, and RE experts, gaining mentorship while contributing directly to the mission.What You'll Be Doing:Conduct reverse engineering of embedded systems, binaries, and firmware.Design, develop, and implement embedded software capabilities in C.Apply vulnerability research and CNO skills to discover and implement novel solutions.Work on-site at a contractor facility, fully integrated into a small, expert team.Collaborate with senior subject matter experts and leverage their mentorship to expand your skills.Contribute to efforts that directly enhance national security and protect critical systems.What Required Skills You'll Bring:5+ years of professional experience in software engineering, reverse engineering, or vulnerability research (or 3+ years of experience with a Master’s degree)Demonstrated experience with reverse engineering (e.g., binaries, firmware, or embedded systems)Strong proficiency in the C programming languageActive TS/SCI clearance with polygraphWhat Desired Skills You'll Bring:Experience with vulnerability research (e.g., exploit development, fuzzing, or security analysis of embedded systems)Familiarity with common RE tools and environments (e.g., IDA Pro, Ghidra, binary analysis platforms)Experience in CNO or related cybersecurity operationsSecurity Clearance Requirement:An active Top Secret SCI w/Polygraph security clearance is required for this position.This position is part of our Federal Solutions team.The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.Salary Range: $103,500.00 - $181,100.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to .SummaryLocation: US - MD, Annapolis JunctionType: Full time
$25k
...Job Description Job Description CNO Developer - Firmware - 10+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering Group is looking for a CNO Developer that is experienced with firmware. We are looking for a SAS member for our team to support development...SuggestedContract workTemporary workRemote workShift work- ...Job Description Job Description Clearance Requirements: TS SCI W Favorable Poly: The years of experience must be in software development... ...discipline. This LCAT also requires 3 years of cybersecurity/CNO-specific development. Their degree must be in Computer Science...Suggested
$112k - $179k
...Cloud Software Engineer 2 - TS/SCI w/Poly Job Locations US-MD-Annapolis Junction Requisition ID 2026-165692 Position... ...on tasking and customer approval. What You'll Do Develop, test, and maintain full-stack cloud-based applications Support...SuggestedContract workFor contractorsRemote workShift work$100k - $131.5k
...Engineer (Level 0). The ideal candidate must possess an active TS/SCI w/Poly. This position is located in Annapolis Junction, Maryland and... ...join us. About the job The Software Engineer designs, develops, tests, deploys, documents, maintains, and enhances complex...SuggestedWork experience placementLocal areaRemote workHome office$103.5k - $181.1k
...Reverse Engineer / Embedded CNO Developer, you will:Apply your reverse... ...Required Skills You'll Bring:Active TS/SCI with Polygraph (required at... ..., embedded systems, and/or firmware analysisSecurity Clearance... ...Requirement:An active Top Secret SCI w/Polygraph security clearance...SuggestedFull timeFlexible hours$25k
...Database Engineer - Oracle/Linux/Bash - 10+ yrs of Experience - TS/SCI with Poly Required Halogen Engineering Group is looking for a... ..., information storage and retrieval, data flow and analysis. Develops relational and/or Object-Oriented databases, database parser...Contract workTemporary workRemote workShift work$25k
...Offensive\/Defensive Cyber Operations \- 7+ yrs of Experience \- TS\/SCI w\/Poly Required \\\ \ \ Halogen Engineering Group is... ...applications individually or as a team member \\\\\\\\ Develop production quality software based on pre\-defined software...Full timeContract workTemporary workWork experience placementRemote workShift work$176k - $282k
...You’ll be part of a collaborative group developing and optimizing a massively parallel enterprise... ...Qualifications:Active TS/SCI security clearance with a current polygraph... ...ID: 2026-169647Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workShift work$135k - $216k
...with cross-agency stakeholders to design, develop, and sustain enterprise operational... ...for the required bachelor’s degree.Active TS/SCI with polygraph is required.Security+ plus... ...ID: 2026-170298Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workTemporary workShift work$104k - $166k
...Cloud Software Engineer, you will design, develop, and maintain cutting-edge applications... ...#AJCM#MDFSP#PeratonRoyalMoveQualificationsRequired QualificationsActive TS/SCI clearance with a current... ...ID: 2026-164275Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workFlexible hoursShift work$176k - $282k
...a story-like manner; work with various domains of metadata to develop new methodologies and techniques for automated data characterization... ...for existing or proposed databases or data repositoriesA TS/SCI w/Poly is required.Must be willing to obtain one of the following...Contract workFlexible hoursShift work- ...protect our country from threats. Job Description Cloud Developer Own the opportunity as a Cloud Developer and help ensure... ...5+ years of related experience ● Security Clearance Level: TS/SCI w/Poly ● Required Skills and Abilities: Proven experience with...
- ...Description Test Engineer – Linux/Bash - 8+ yrs of Experience - TS/SCI w/Poly Clearance Halogen Engineering Group is looking for a Test... ...documents, acquisition plans, and system descriptions to develop evaluation and test plans and procedures, prepare for and conduct...Contract workRemote workShift work
- ...GDIT will be impactful to the mission. The Software Engineer develops, maintains, and enhances complex and diverse software systems... ...5+ years of related experience ● Security clearance level: TS/SCI w/Poly required ● US citizenship required ● Role requirements:...Contract work
$176k - $282k
...substituted for a bachelor’s degree.Active TS SCI security clearance with a current... ...products from multiple vendors.Experience developing solutions that integrate and extend COTS... ...ID: 2026-169682Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workShift work$104k - $166k
...Quarkus and PrimeFaces.#MDFSPQualificationsBasic Qualifications: TS/SCI clearance with polygraph clearance is required.Seven (7) years’... ...characteristics protected by law.Job SummaryRequisition ID: 2026-162864Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workFor contractorsFlexible hoursShift work$176k - $282k
...Annapolis Junction, MDClearance Required: TS/SCI with PolygraphJoin the mission. Shape the... ...Senior Software Engineer, you’ll design, develop, and enhance a variety of cutting-edge... ...ID: 2026-167510Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workShift work$146k - $234k
...call" support as needed.QualificationsBasic Qualifications Active TS/SCI clearance with current polygraph requiredTen (10) years’... ...characteristics protected by law.Job SummaryRequisition ID: 2026-166954Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workShift work$104k - $166k
...mitigate vulnerabilities.Debug, design, and develop new software, or enhance and modify... ...experience developing software in JavaActive TS/SCI security clearance with a current... ...SummaryRequisition ID: 2026-163318Position Category: EngineeringClearance: Top Secret/SCI w/PolyContract workShift work$135k - $216k
...and skilled Software Engineer to design, develop, and secure next-generation software systems... ...for a bachelor’s degree.Active TS/SCI security clearance with a current polygraph... ...ID: 2026-167149Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workWork experience placementShift work$25k
...Job Description Software Engineer – Algorithm Development- 7+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering Group is looking for a Software Engineer who develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive...Contract workTemporary workRemote workShift work$146k - $234k
...expectations, and technical feasibilityDesign, develop, test, and maintain software applications... ...Qualifications:Active TS/SCI security clearance with a current polygraph... ...ID: 2026-169761Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workShift work$146k - $234k
...collaborate with systems engineers and developers across projects to support the planning,... ...#MDFSPQualificationsBasic Qualifications: TS/SCI with Polygraph level clearance is... ...ID: 2026-163166Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workShift work$25k
...Software Integration Engineer - HPC - 10+ yrs of Experience - TS/SCI w/Poly Clearance Halogen Engineering Group is looking for a... ...software stack and related system issues. This candidate will be developing, testing, integrating, and sustaining automation tools that...Full timeContract workRemote workShift work$25k
...Job Description Job Description Web Developer - Front End/REST APIs - 8+ yrs of Experience (PARTIAL TELEWORK) - TS/SCI w/Poly clearance is required - BT Halogen Engineering Group is looking for a Web Developer to join our team. Location: Annapolis Junction...16 hoursContract workTemporary workRemote workShift work$102k - $138k
...Requisition: Regular Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT... ...: 2+ years of related experience ? Security clearance level: TS/SCI w/Poly ? US citizenship required ? Level II 8570 Certification (...Temporary workLocal areaImmediate startWorldwideFlexible hours$72.7k - $149.2k
Job Title: Software Engineer 1 (TS/SCI w/Poly)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start... ...a team in the Ft. Meade area.• The Software Engineer (SWE) develops, maintains, and enhances complex and diverse software systems...Contract workWork experience placementLocal areaImmediate startFlexible hours$79.4k - $162.7k
Job Title: Splunk Software Engineer-TS/SCI with Poly Job Category: Engineering Time Type... ...like iDRAC, including BIOS updates, firmware upgrades, RAID configuration, and basic... ...technologies. Experience supporting or developing Splunk applications, dashboards, data...Full timeContract workWork experience placementRemote workFlexible hours$10k
...for a SAS member for the Firmware team to support... ...required. (e.g. Active TS/SCI security clearance with... ...with agency appropriate poly The years of experience... ...years of cybersecurity/CNO-specific development.... ...Experience analyzing or developing firmware The Benefits...Hourly payFull timeContract workTemporary workWork experience placementSummer workImmediate start$176k - $282k
...data flows and work with Engineers and developers to identify solutions. Perform evaluations... ...Qualifications:Active TS/SCI security clearance with a current polygraph... ...ID: 2026-169693Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workShift work
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