Level 4 Software Engineer
$113.9k - $200.91kLockheed Martin
Job Description Lockheed Martin's Ground Software team is seeking a Level4 Software Engineer with a secret clearance to support the SDA portfolio, from Boulder, CO or Valley Forge, PA, on the ground product line, developing solutions for OPIR sensor‑data‑stream processing that enables missile‑warning capabilities. This position is contingent upon the program award expected in June, 2026. In this role you will design, develop, maintain, and test the Mission Processing codebase, adapt and extend existing frameworks for new sensor interfaces, create and document robust APIs, and build mission‑processing applications that meet stringent performance, latency, and reliability requirements. You will write and execute unit, integration, and system‑level tests, troubleshoot issues across the software stack, and collaborate closely with systems, hardware, algorithm, and mission‑operations teams to deliver high‑quality features on schedule. You are a critical thinker, self‑motivated, detail‑oriented, and passionate about your trade, with at least five years of professional software development experience and proven ability to work in high‑performing, multi‑disciplinary teams while maintaining a focus on system quality and timely delivery. Basic Qualifications 5+ years of experience coding software with proficiency in Java, C#, or C++. Professional experience working in an Agile/Scrum environment. Final secret security clearance required for consideration. Desired Skills Hands‑on experience with containerization tools (e.g., Docker) and an understanding of how applications are deployed and orchestrated (e.g., Kubernetes). Excellence in written and verbal communication, specifically in producing high-quality technical documentation and providing constructive, actionable feedback during peer code reviews. Benefits Medical, Dental, Vision, Life Insurance, Short‑Term Disability, Long‑Term Disability. 401(k) match, Flexible Spending Accounts, Employee Assistance Program (EAP), Education Assistance, Parental Leave. Paid time off, Sick leave, Holidays, and a work/life balance culture. Pay Rate The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $113,900 - $200,905. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Security Clearance Statement This position requires a government security clearance; you must be a U.S. Citizen for consideration. Clearance Level: Secret. Equal Opportunity Employer Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. #J-18808-Ljbffr
$114k - $171k
...Multi-Domain Operations, and Missile Defense Integration Business Unit (BU) has an exciting career opportunity for a Software Engineer - Level 3 or 4 supporting an Internal Research and Development (IRAD) project to join our team of qualified, diverse, and innovative...SuggestedWork experience placementRelocationShift work$114k - $171k
...history, they're making history. Are you a multi-talented engineer looking for your next opportunity? We support a small but... ...Systems Sector would love to have you join our team as a (level 3 or level 4) Software Architect based out of based out of Boulder, CO. We are...SuggestedRelocation packageShift work- ...-discipline teams and communicate clearly across various levels of engineers. Algorithm Software Engineer (Level 3): Bachelor's Degree in a STEM (Science,... ...1 year of experience. Algorithm Software Engineer (Level 4): Bachelor's Degree in a STEM (Science, Technology, Engineering...SuggestedFull time
$104.5k - $184.12k
...forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING... ...Lockheed Martin is seeking a talented level 4 Systems Engineer-IT with a Secret clearance... ...consulting with users to determine hardware, software, or system functional specifications....SuggestedFull timeTemporary workWork experience placementInterim roleWork at officeFlexible hours$114k - $171k
...Grumman Space Systems is seeking a Systems Engineer 3/4 located in Boulder, CO. What you'll... ...and interfaces across hardware, software, and infrastructure components, with particular... ...requisition may be filled as either a level 3 or level 4. Basic Qualifications...SuggestedContract workWork experience placementRelocationShift work$104.5k - $184.12k
...forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING... ...Lockheed Martin is seeking a highly skilled level 4 Network Engineer with an active Secret... ...In this role you will work closely with software, security, and mission engineers to deliver...Full timeTemporary workWork experience placementWork at officeWorldwideFlexible hours$102.85k - $151.25k
...Mid-Level or Senior Network Engineer - Millennium Space Systems Company: Millennium Space Systems... ...team is currently hiring for levels 3-4. Position Responsibilities:... ...the deployment of network hardware and software, including routers, switches, firewalls...Permanent employmentWork experience placementInterim roleCurrently hiringRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift work$109.2k - $192.51k
...-1 and SV-2 satellites. This unique opportunity blends systems engineering with hands-on 24/7 satellite operations, giving you direct involvement... ...(LCL), building deep operational expertise and a broad systems-level understanding. After SCCH qualification, you will transition...Full timeTemporary workWork experience placementInterim roleWork at officeRemote workRelocationFlexible hoursShift workWeekend workDay shift$125.3k - $187.9k
...join our team as a Cyber Systems Engineer based out of Boulder, CO.... ...Analyses are performed at all levels of total system product to include... ...into hardware and software specifications. This requisition... ...as either a level 3 or level 4. Basic Qualifications for...Work experience placementRelocationShift work$76.5k - $134.9k
...workforce to fuel the next generation. Position Ground Software team is seeking a Level2 Software Engineer to support the SDA portfolio from Boulder, CO or... ...requirements. Write and execute unit, integration, and system‑level tests. Troubleshoot issues across the software stack...Full timeTemporary workWork at officeFlexible hours$76.5k - $134.9k
...Software Engineer - Level 2 | Lockheed Martin Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment...Full timeTemporary workWork experience placementWork at officeRemote workFlexible hours$87.1k - $157.45k
...programming, and mission‑driven engineering , and you’re ready for work... ...mission with visibility at senior levels, you’ll thrive here. We’re hiring a Backend Software Engineer to support a high‑... ...Engineering, or a related field with 4–8 years of experience; or a...Local areaImmediate start$83.3k - $104.13k
...Compensation Range: $83,299 - $104,127 (Level II) or $111,246 - $139,056 (Level III) *... ...searching for a candidate to fill either a Software Engineer/Programmer Level II or III role. The... ...field and progressive relevant experience, 4-8 years OR Equivalent combination of...Full timeTemporary workLocal areaVisa sponsorshipRelocation package- ...Software Engineer/Programmer II/III The Atmospheric Chemistry Observations & Modeling (ACOM) laboratory... ...either a Software Engineer/Programmer Level II or III role. The ideal candidate must... ...and progressive relevant experience, 4-8 years OR Equivalent combination of...Full timeTemporary workWork at officeLocal areaFlexible hours3 days per week
$87.1k - $157.45k
...building your skills in SQL, data engineering fundamentals, and mission‑driven... ...mission with visibility at senior levels, you’ll thrive here. We’re hiring... ...’s degree in computer science, Software Engineering, or related field with 4–8 years of experience; or Master’...Local areaImmediate start$82.9k - $146.17k
...to some of the world's hardest engineering problems. Our culture inspires... ...) assessments on proprietary software to ensure compliance with DoD/... ...Compliance Checker (SCC), DISA STIGs 4. Experience with Secure... ...security principles to all levels of knowledge and skill 7. Experience...Full timeTemporary workWork experience placementInternshipWork at officeRemote workRelocationFlexible hoursShift work$113.9k - $200.91k
...Lockheed Martin is hiring a Level 4 Software Engineer in Boulder, Colorado. The position requires at least five years of software development experience and a final secret security clearance. Responsibilities include designing, developing, and testing mission processing...$114k - $213.4k
...Northrop Grumman in Boulder, CO is seeking a Software Engineer Level 3 or 4 for an Internal Research and Development team. The role involves writing high-performing code and collaborating with teams on critical algorithms for fire control systems. Applicants should have...$132.1k - $244.6k
...Software Engineer - Final Cut Camera - Video Apps As a part of the Final Cut Camera engineering... ...being accessible to users of all skill levels and backgrounds. Create pathways to make... ...capabilities. Minimum Qualifications ~4+ years of professional experience...Relocation$171.6k - $257.4k
## Senior Software Engineer (Gen AI)Applyremote type: Flexlocations: USA, CO, Boulder: USA, GA, Atlanta... ...into production, developing enterprise level intelligent systems that automate, adapt... ...You******Basic Qualifications***** 4+ years experience working on a data science...Work at officeRemote workHome officeFlexible hours$93.2k - $164.45k
...proud to be at the forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING Space is a critical... ...fuel the next generation. THE WORK Ground Software team is seeking a Level 3 Software Engineer with a Secret clearance to support...Full timeTemporary workWork experience placementWork at officeFlexible hours$124.9k - $228.9k
...leading independent platform for digital advertising, with nearly 4,000 employees across more than 30 offices. Our technology... ...campaign experiences that span screens, formats, and moments.Our Software Engineers are end-to-end owners who participate in designing, building,...Full timeTemporary workWorldwide$150k - $170k
...partners and customers, and take ownership for our actions—always striving to do the right thing. Kratos is seeking a Lead Software Engineer (Level 4), in Boulder, CO, to lead and innovate within our dynamic, agile environment. This role architects and champions a...Local area$89k - $166k
...history. The Launch and Missile Defense Systems division within Northrop Grumman Space Systems is seeking an Algorithms Software Engineer level 2 or 3 with Linux environment and software development experience to join the BOA/ESL Algorithms team. The BOA program leverages...WorldwideRelocationShift work$150k - $200k
...Senior Systems Engineer This position is for a Senior Systems Engineer in Boulder, CO. You will be working closely with a talented... ...and attention to detail In some cases, mentor junior and mid-level engineers and fill a leadership role within the team Required...Work experience placementWork at officeImmediate startHome officeFlexible hours- ...A leading technology company seeks a Senior Systems Software Engineer to enhance video applications. This role involves designing low-level infrastructure and collaborating with cross-functional teams to optimize performance. Applicants should have over 7 years of experience...
$73.4k - $129.26k
...an energetic and high performing Systems Engineer to join the team in Denver/Boulder, CO. This... ...Ability to interact with hardware and software developers to ensure mission requirements... ...position is incentive plan eligible. Experience Level: Experienced Professional Business Unit:...Full timeTemporary workFor contractorsWork experience placementWork at officeRelocationFlexible hoursShift work$70.1k - $123.63k
...forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING... ...Lockheed Martin is seeking a talented level 2 Systems Engineer-IT with a Secret clearance... ...system performance, install system wide software and allocate mass storage space. • Have...Full timeTemporary workWork experience placementWork at officeWorldwideFlexible hours$177k - $265.6k
...history. Northrop Grumman Space Systems is seeking a Systems Engineer - Level 5 to serve as Chief Engineer, located in Boulder, CO, to... ..., integration, and deployment of advanced ground system software, networking, and/or RF antenna systems. A proven record of...Relocation packageShift work$110.4k - $165.5k
..., with expertise in cyber security, software architecture, software engineering, data science, Artificial Intelligence... ...in STEM, Engineering or Science ~4 years of related engineering... ...simple: every employee, regardless of level and role, can demonstrate leadership...Full timeFor contractorsWork at officeImmediate startRemote workRelocation packageFlexible hours
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