Senior Software Engineer Staff - Clearance Required
Lockheed Martin Corporation
Job Description WHAT WE’RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THEWORK Analyze user requirements to derive software design and performance requirements Design and code new software or modify existing software to add new features Integrate existing software into new or modified systems or operating environments Write or review software and system documentation Serve as team lead at the level appropriate to the software development process being used on any particular project Design or implement complex database or data repository interfaces/queries Develop or implement algorithms to meet or exceed system performance and functional standards Assist with developing and executing test procedures for software components Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas Modify existing software to correct errors, to adapt to new hardware, or to improve its performance Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products Implement recommendations for improving documentation and software development process standards Coordinate software system installation and monitor equipment functioning to ensure operational specifications are met WHO WE ARE The program is on fire for cyber. In support of our customer, members of the team are responsible for providing full lifecycle support including analysis, design, development, integration, testing, procurement, deployment, security, training and sustainment for collection and antenna systems. WHY JOIN US In this role you will have the opportunity to safeguard vital national security systems while advancing cutting‑edge cyber defense technologies. Our benefits are built to match the caliber of your work. Reliable, high-performing, and mission-ready.You’ll enjoy world‑class resources, mentorship, continuous learning, competitive compensation, comprehensive benefits, and a supportive work‑life balance—all within a culture that values innovation, integrity, and collaboration. #OneLMHotJob #RMSIL2026 Qualifications Fourteen (14) years experience as a SWE in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree Candidate must possess active security clearance with a polygraph. #J-18808-Ljbffr
- ...The role involves analyzing user requirements, designing and coding new software, and integrating existing software... ...years of experience in software engineering and a bachelor's degree in Computer... ...discipline. An active security clearance with a polygraph is also required...SeniorTemporary workFlexible hours
$166.9k - $309.9k
...TS/SCI w/Poly SPFinal Clearance: TS/SCI w/Poly SPPay Transparency... ...WORKThis senior role fosters collaboration... ...with other senior engineers for the development of... ...Program is seeking a Software engineer to develop, maintain... ...based on mission requirements. Applies system knowledge...SeniorFull timeTemporary workWork experience placementCasual workFlexible hours$166.9k - $309.9k
...Start: TS/SCI w/Poly SPFinal Clearance: TS/SCI w/Poly SPPay... ...-extreferSenior Full Stack Software Engineer - Clearance RequiredWHAT WE... ...innovation and integrity.• As a Senior Full Stack Software Engineer... ...and tools based on mission requirements. Applies system knowledge...SeniorFull timeContract workTemporary workWork experience placementCasual workLocal areaFlexible hours- Visionist, Inc. is seeking a Senior Software Engineer with TS/SCI clearance to join a mission-critical data processing platform. You will work end-to-end on a full-stack web application using Kotlin and React, supporting a system used by hundreds of analysts. The role...SeniorRemote work
- ...empowered workforce as an engine to drive its customers... ...has an opening for a Software Engineer to join our... ...applications as required.Involved in all aspects... ...with an active TS/SCI clearance; may require CI Poly but... ...other members of the staff as well as individuals...SeniorWork experience placementWork at officeLocal areaMonday to FridayFlexible hours
$166.9k - $309.9k
...Prior to Start: TS/SCI w/Poly SPFinal Clearance: TS/SCI w/Poly SPPay Transparency: $166... ...collection, and geo‑location systems and software (including prototypes, development,... ...#ONELMHOTJOBSBasic QualificationsBachelor of Science in Engineering or Computer Science orFour (4) years of...SeniorFull timeTemporary workWork experience placementCasual workRelocation packageFlexible hours$110.3k - $204.9k
...Prior to Start: TS/SCI w/Poly SPFinal Clearance: TS/SCI w/Poly SPPay Transparency: $... ...bay.THE WORK:The GG DevOps System Engineer is in a customer-facing role leading... ...with cross-functional teams to ensure software meets user requirements. The following are the primary...SeniorFull timeTemporary workWork experience placementCasual workFlexible hours- 2HB Incorporated seeks a Sr. Software Engineer to support a government customer in Annapolis Junction, MD. The role emphasizes development... ...allows four extra SWE years in place of the degree; TS/SCI/Full Scope Polygraph clearance is required. #J-18808-Ljbffr 2HB IncorporatedSenior
- ...Industries (HII) Mission Technologies in Columbia, MD, seeks a Senior Software Engineer to design, implement, integrate, and test new capabilities... ...with Java/C++, US citizenship, and eligibility for a security clearance. #J-18808-Ljbffr Huntington Ingalls IndustriesSenior
- Next Century Corporation is hiring a Senior Software Engineer based in Maryland to develop innovative software solutions. This position focuses... ...tasks. Qualified candidates will need a TS/SCI w/Poly clearance. The role offers a comprehensive benefits package including...SeniorFlexible hours
- Boeing in Maryland is seeking a Senior Software Engineer to design, develop, test, deploy, and maintain robust software solutions in a... ...design and code reviews. Hybrid work options and security clearance requirements apply. This role requires strong experience in agile...Senior
- Red Arch Solutions, Inc. is seeking a Senior Software Engineer in Annapolis Junction, Maryland. In this hybrid role, you'll build and test software... ...platforms. The ideal candidate must hold an active TS/SCI clearance and possess a bachelor’s degree in Computer Science or...Senior
- ...threats. Job Description Senior Software Developer - TS/SCI with... ...We're looking for builders — engineers with the curiosity to spot... ...about when human review is required. • Package, build, and deploy... ...coding tools • Security clearance: Ability to obtain TS/SCI...Senior
- SimVentions, Inc. is seeking a mid-level to senior software-focused Systems Engineer for on-site work at the NAVAIR base in Patuxent River... ...systems engineering for aviation programs, requiring an active Secret clearance and US citizenship. The position is future-funded...Senior
- ...Annapolis, Maryland, is seeking an experienced AI Software Engineer to design and implement solutions that enhance... ...and familiarity with RESTful APIs. TS/SCI clearance and a Bachelor's degree in Computer Science are required. The position offers both remote and hybrid work...SeniorRemote job
- Peraton is seeking a Software Engineer with an active TS/SCI clearance and a current polygraph to support national security programs in Maryland. You will analyze requirements, design, develop, test, and maintain software applications, and improve system reliability. Collaborate...Senior
$135.7k - $251.9k
...Prior to Start: TS/SCI w/Poly SPFinal Clearance: TS/SCI w/Poly SPPay Transparency: $... ...our mission.THE WORKAs a Cyber RF Software Engineer Senior Staff, my typical day is filled with excitement... ...or operating environments, which requires a deep understanding of C++, K8,...Full timeTemporary workWork experience placementCasual workFlexible hours$10k
...sessions with our entire technical staff. Why ClearEdge? Join ClearEdge as a Senior Software Engineer to design and develop... ...critical missions. This role requires a balance of technical engineering... ...: TS/SCI with polygraph clearance A bachelors degree in...SeniorFull time$180k - $260k
...edge data, network security software, and expert guidance to reduce... ...full-stack Software Engineer. Job Description: The Software... ...systems) based upon documented requirements. Works individually or as... ...classified information; TS/SCI clearance with polygraph is required....SeniorFull time$170k - $260k
...***An active or rein-statable TS/SCI with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance.*** Are you a Senior Software Engineer who is ready for a new challenge that will launch your career to the...Senior16 hoursFull timeContract workRemote workWork from homeRelocation package$190k - $195k
ACTIVE TS/SCI Clearance with Poly REQUIREDPosition Overview: Red Arch Solutions is hiring a Senior Software Engineer to join a priority program in Annapolis Junction, Maryland. We... ...TELEWORK position, up to 16 hours per week.Requirements:Active TS/SCI with PolygraphBachelor’s...Senior16 hoursRemote work$131.8k - $290k
Job Title: Senior Software Engineer - Full StackJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * *The OpportunityJoin our dynamic team...SeniorContract workWork experience placementFlexible hours$176k - $282k
...become a member of a mature software development effort using Java... ...software activities and requirements within the team. This position... ...applications using Java.As a Software Engineer, you will be expected to... ...the Spring Framework.TS/SCI clearance with polygraph clearance is...SeniorContract workFor contractorsRemote workFlexible hoursShift work$176k - $282k
...responsibilities include modernizing the software by building NiFi microservices and... ...Twenty (20) years of software engineering experience supporting programs and... ...environment.An active TS/SCI security clearance with Polygraph is required.Desired Qualifications: Familiarity...SeniorContract workRemote workShift work2 days per week$103.5k - $181.1k
...you passionate about reverse engineering and embedded development—and... ...skilled subject matter experts and senior engineers.Continuously learn,... ...work has visible impact.What Required Skills You'll Bring:Active TS... ...or firmware analysisSecurity Clearance Requirement:An active Top...SeniorFull timeFlexible hours$131.3k - $237.35k
...arsenal. Our team of hackers and engineers have experience spanning... ...generation of capabilities.The Software Engineer will be responsible... ...accredited college or university is required. Four (4) years of additional... ...:ActiveTop Secret/SCI clearance with Polygraph.Preferred Qualifications...SeniorFull time$131.8k - $290k
Job Title: Senior Software Engineer - GATEKEEPERJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * *The Opportunity:Join CACI...SeniorContract workWork experience placementFlexible hours$86.9k - $198k
Full Stack Software Engineer, SeniorThe Opportunity: As a full stack developer... ...than just coding. As a senior full stack developer at... ...technical functional and security requirements throughout the lifecycle.... ...teamActive TS/SCI clearance; willingness to take a polygraph...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- ...leading technology firm in Maryland is seeking a Senior AI Software Engineer to develop user-focused AI solutions. The position requires deep software engineering experience,... ...programming languages, and must include TS/SCI clearance. The role involves creating advanced AI and...Senior
$146k - $234k
...seeking a highly motivated User Experience software engineer to support development and software... ...with the customer and team to evolve requirements and support the creation and... ...Qualifications: TS/SCI with Polygraph level clearance is requiredBA/BS and 20 years of experience...SeniorContract workShift work
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