iOS-Savvy CNO Developer - (TS/SCI w/ Poly)
$74.8k - $130.9kParsons 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:Are you looking to make great use of your iOS Reverse Engineering (RE) and vulnerability research (VR) skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference and learn from / collaborate with our existing iOS / vulnerability research / reverse engineering subject matter experts, we have the perfect position for you to help start a new stage of your career at Parsons!You'll get the opportunity to do RE, VR, and prototype development to support a critical customer mission and develop much needed capabilities. You'll get to work at the customer site, integrated into the customer's team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your iOS and CNO skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.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:TS/SCI with Polygraph required5+ years of software engineering, reverse engineering, or vulnerability research experience with C and PythonExperience with reverse engineeringExperience with vulnerability researchExperience with iOS internals development or analysisWhat 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: $74,800.00 - $130,900.00We 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
$112k - $179k
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...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...SuggestedFull timeContract workTemporary workWork experience placementRemote workShift work$135k - $216k
...Configure, maintain, and troubleshoot Cisco switches running IOS-XE and NX-OS. Implement and manage port security, including... ...additional experience may be substituted for a BS. ~ An active TS/SCI w/Poly is required. ~3–5 years of combined experience in network administration...IosContract workRemote workShift work$220k - $260k
...About the job Database Engineer / Oracle DBA (TS/SCI w/ FS Poly) Database Engineer / Oracle DBA (TS/SCI w/ FS Poly) Maryland (... ...performance tuning Backup, recovery, and user administration Develop and optimize: Database schemas SQL / PL-SQL queries...SuggestedFor contractorsVisa sponsorship$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/PolySuggestedContract workWork experience placementShift work$25k
...Description Software Engineer - DevOps/HPC - 7+ yrs of Experience - TS/SCI w/Poly clearance is required Halogen Engineering is seeking a... ...who will be part of a team responsible for designing, developing and maintaining a comprehensive distributed Metrics and Monitoring...Contract workTemporary workRemote workShift work$103.5k - $181.1k
...Be Doing:As a Reverse Engineer / Embedded CNO Developer, you will:Apply your reverse engineering,... ...What Required Skills You'll Bring:Active TS/SCI with Polygraph (required at time of hire)... ...Requirement:An active Top Secret SCI w/Polygraph security clearance is required...Full timeFlexible hours$176k - $282k
...Work with various domains of metadata to develop to develop new methodologies and techniques... ...#MDFSPQualificationsBasic Qualifications:TS/SCI with Polygraph level clearance is... ...ID: 2026-166187Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workFlexible hoursShift 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$176k - $282k
...team. This position will allow an advanced developer to broaden their skills in the Java... ...ensure operational specifications are met.TS/SCI clearance with polygraph clearance is requiredAdditional... ...ID: 2026-167192Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workShift 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- ...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
- ...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...
$146k - $234k
...practices across the team.What You’ll Do:Design, develop, and maintain cloud-based software... ...experience may be substitutedActive TS/SCI clearance with current polygraphCloud Developer... ...ID: 2026-162547Position Category: EngineeringClearance: Top Secret/SCI w/PolyContract workShift work$80k - $128k
...Qualifications:US Citizenship and ability to obtain TS/SCI clearance with polygraphFour (4) or more... ....At least one (1) year of experience developing software with high level languages such... ...: 2026-168225Position Category: Information TechnologyClearance: Top Secret/SCI w/PolyContract workShift work$128.2k - $225.98k
...Annapolis Junction, MarylandSalary: $128,200 - $225,975Clearance: TS/SCI w/Poly SPCompany: Lockheed MartinDescription:At Lockheed Martin... ...the exciting cleared Engineering roles available:- Software Developer- System Engineer - Software Engineers- Front End/ Back End Developer...Full timeTemporary workWork experience placementWork at officeRemote workFlexible hours- ...prioritize tasks. Excellent problem-solving skills. ● Must be willing to support an on-call rotation ● Security clearance level: TS/SCI w/Poly ● US citizenship required ● Certification Required: 8570 compliant with a Security + certificate and Cloud Certification in...
$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- ...analytical, troubleshooting, and documentation skills. ● Must be willing to support an on-call rotation ● Security clearance level: TS/SCI w/Poly ● US citizenship required ● Certification Required: 8570 compliant with a Security + certificate ● Location: Onsite...Relocation package
- ...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...Relocation package
$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$25k
...Job Description Job Description Database Engineer - SQL/Oracle - 20+ years of Experience - TS/SCI w/Poly clearance is required Halogen Engineering is looking for a Database Engineer who can provide technical and program management support for strategic development...Contract workTemporary workRemote workFlexible hoursShift work- ...talented and exceptionally qualified IT, architectural, system, and software engineering personnel. Requires TS/SCI with Poly Clearance The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics,...Full timeFor contractorsLocal area
$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- ...Engineer – Python/Linux/Automation - 8+ yrs of Experience - TS/SCI w/Poly Clearance Halogen Engineering Group is looking for a Test... ...to characterize confidence in performance estimates Select, develop, and use analysis tools Execute the evaluation plan on data...Contract workRemote workShift work
$25k
...Software Engineer - Team Lead/Front End - 12+ yrs of Experience - TS/SCI w/Poly Required Halogen Engineering Group is looking for a... ...with mission customers. This individual will lead a team of UI developers, designing front-end architecture and coding standards while...Contract workTemporary workRemote 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$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$125.1k - $225.2k
...domain. You will work as part of a team that develops and tailors capabilities with the goal to... ...SAFE methodologiesU.S. CitizenshipActive TS/SCI security clearance with polygraphWhat... ...Clearance Requirement:An active Top Secret SCI w/Polygraph security clearance is required...Full timeFlexible hoursShift work- ...Level Travel Required: No Remote Type: No Clearance: TS/SCI w/ Polygraph **Position is contingent upon contract award**... ...Position Requirements Software Engineering experience developing using the following or comparable software technologies: Java...Full timeContract workTemporary workWork experience placementImmediate startRemote work
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