Software Systems Engineer
ClearanceJobs
Software & Systems Development EngineerLCS Defense is seeking a Software & Systems Development Engineer to design, develop, and maintain the software infrastructure that enables automated testing of next-generation cloud hardware platforms. This is not a traditional Systems Test Engineering role focused on writing test plans, TEMPs, or test procedures. Instead, this position is responsible for building and maintaining the test framework, automation, and hardware/software interfaces used by engineering teams to validate complex hardware systems within a dedicated development laboratory. The ideal candidate is a software engineer with experience developing automation, hardware interfaces, embedded or low-level software, and hardware-in-the-loop (HIL) test environments.Key ResponsibilitiesDesign, develop, and maintain software-based test frameworks used to validate next-generation hardware platforms.Develop software that interfaces directly with hardware devices, instruments, and systems under test.Build and maintain hardware-in-the-loop (HIL) testing environments supporting engineering development.Develop automation, utilities, scripts, and software tools that improve engineering productivity.Create software interfaces, drivers, and communication layers between test infrastructure and hardware devices.Support integration, debugging, troubleshooting, and validation of hardware/software systems.Collaborate closely with hardware, FPGA, embedded software, and cloud software engineers.Maintain laboratory software infrastructure supporting engineering development activities.Participate in code reviews and software design discussions.Support continuous improvement of automated testing capabilities.Required QualificationsBachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related field.5+ years of professional software development experience.Strong programming experience in Rust (preferred) and/or Python.Experience developing software that interfaces directly with hardware.Experience with hardware/software integration.Experience with Linux development environments.Experience developing software used for automation or engineering infrastructure.Strong debugging and troubleshooting skills.Familiarity with Git version control.Preferred QualificationsExperience developing hardware-in-the-loop (HIL) test environments.Embedded software development experience.Experience writing device drivers or hardware interface software.Experience with CI/CD pipelines and DevOps tooling.Experience with AWS cloud services.Experience with Bash scripting.Experience working with FPGA-based hardware systems.Experience with automated testing frameworks.Familiarity with networking protocols used for hardware communication.Preferred Technical SkillsRustPythonC++LinuxBashGitAWSDockerKubernetesCI/CDHardware InterfacesTCP/IPSerial CommunicationsEmbedded Linux
- The Software Safety Engineer serves as the key resource for Oceaneering Technologies (OTECH) system safety related needs for the robotic and autonomous vehicles we build and design. This position will require a solid foundation in fielding underwater systems that meet rigorous...SuggestedCasual work
$85k
...Software EngineerAre you interested in developing software for modeling and simulating complex flight systems? Do you want to become an expert in hypersonic and reentry system design... ...join our team.We are seeking a Software Engineer to help us analyze, develop and...SuggestedTemporary workWork experience placementRelocation packageFlexible hours$146k - $234k
ResponsibilitiesWe are seeking a knowledgeable and customer-oriented Software Application Support Systems Engineer to join our team. In this role you will provide Operational Support and be responsible for ensuring the stability and optimal performance of our software applications...SuggestedContract workShift work- ...Job Title: Software Systems Engineer Company: Quotient (A VTG Company) Travel: 10% Position Type: Full-Time Company Overview: Virtual Technologies Group is a leading innovator in the technology sector, specializing in the development and implementation...SuggestedFull timeTemporary workFlexible hours
$183k - $217k
...POLYGRAPH LEVEL IS REQUIRED We have an immediate need for a Software Engineer (SWE 2) to join our technical team in Annapolis Junction, MD.... ...and maintain diverse application capabilities, debug complex system defects, and drive process improvements across the software...SuggestedHourly payContract workWork experience placementImmediate startFlexible hours$154.05k - $278.48k
...to customers in the national security, engineering, and health industries. We deliver innovative... ...technology-enabled services and mission software capabilities to support Intelligence... ...OpportunityLeidos is seeking a highly experienced Lead Systems Engineer - RF Systems to plan and lead...Full timeContract work$79.4k - $162.7k
Job Title: Software Engineer, Classification Systems (JavaScript)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * *The OpportunityJoin...Contract workFor contractorsWork experience placementWork at officeFlexible hours- ...We have an immediate need for a highly skilled Lead Technical Systems Engineer to join the UEE team to oversee the planning, design, and... ...of experience performing in a Lead System Engineer role for a software development team• Familiarity with software development using...Work at officeImmediate startRemote work
$176k - $282k
ResponsibilitiesThe Outreach & Engagement team is seeking a Senior Systems Engineer to support the continued maturation and enhancement of... ...Responsibilities include performing end-to-end systems engineering for software tools that support outreach activities for our customer. The...Contract workShift work$115k - $190k
...not possess this level of clearance. Are you a Mid-Level Systems Engineer who is ready for a new challenge that will launch your career... ...you. We Make It Happen! GliaCell Technologies focuses on Software & System Engineering in Enterprise and Cyber Security solution...Full timeContract workRemote workWork from homeRelocation package$170k - $230k
...Problem Solving, Requirements Definition, Systems Management, Technical Requirements... ...Description: TECHINCAL AI REQUIREMENTS SYSTEMS ENGINEER * Up to one day a week telework... ...solution stakeholders to ensure mission-driven software capabilities are accurately defined,...Full timeTemporary workImmediate startRemote workWorldwideFlexible hours1 day per week- ...manufacture components, instruments, and systems that transform the world by identifying,... ...and development of control firmware and software for a broad range of precision laser and... ...user interfaces (GUI). The Software Engineer should have sufficient proficiency and experience...Worldwide
- ...Job Description Job Description Senior Software Engineer — Secure Mission Systems Location: Mainly remote, with onsite work in Laurel, Maryland, typically one day approximately every six weeks for team-wide sprint planning Clearance: Active final DoD Secret...Weekly payContract workRemote workWork from homeHome office1 day per week
- Cornerstone Defense in Annapolis Junction seeks a Senior Software Engineer/Systems Engineer to lead a multi-year DoD software effort, architecting interfaces for authorization workflows and key management across diverse environments. The role requires cryptographic engineering...
$142k - $168k
...workflows into actionable technical requirements while managing system monitoring tools. Bring your analytical drive to a team that... ...s degree in a technical discipline (Computer Science, Systems Engineering, or a related field) is preferred, or equivalent professional...Work experience placement- SimVentions, Inc. is seeking a mid-level to senior software-focused Systems Engineer for on-site work at the NAVAIR base in Patuxent River, MD. The role focuses on software systems engineering for aviation programs, requiring an active Secret clearance and US citizenship...
- Johns Hopkins Applied Physics Laboratory (APL) seeks a Real-time Tactical Software Engineer to prototype and field software for command and control challenges in sensor integration and distributed kill chains for missile defense. You will design, implement, and test real...
- ...University Applied Physics Laboratory (APL) is seeking a Senior Software Engineer to design, develop, and maintain critical software for... ...environment. You will build scalable, secure, and observable systems for space operations, data processing, mission planning, and...
- BT-384 - Senior Software Engineer/Systems Engineer Location: Annapolis Junction, MD (fully on-site, no remote option) MUST HAVE A TS/SCI POLY CLEARANCE TO APPLY. Those without a TS/SCI Poly clearance will not be considered.** Detailed Description And Job Requirements...For contractorsWork experience placementRemote work
- ...Job Description Job Description Frontend Software Engineer — Secure Mission Systems Location: Mainly remote, with onsite work in Laurel, Maryland, typically one day approximately every six weeks for team-wide sprint planning Clearance: Active final DoD Secret...Weekly payContract workRemote workWork from homeHome office1 day per week
- ...finalist in 2021! Belay Technologies is seeking a Mid-Level System Engineer (SE) to join our intel team. The SE will require a good... ...DoD, as well as state-of-the-art commercial products. We hire software engineers, web designers, test engineers, systems engineers,...Full time
$150k - $275k
...Description: DarkStar Intelligence is seeking a DevOps Developer / System Engineer Level 3 to support the development, integration, and... ...dataflow development, and automation while collaborating with software engineers and system engineers to design, implement, and maintain...Local area$131k - $140k
...Responsibilities : Applies systems engineering principles throughout the systems life cycle phases: Concept, Development, Production, Utilization, Support, and Retirement. Interacts with the Government regarding Systems Engineering technical considerations and for...Full timeContract workWork experience placement$105k - $200k
...Best Places to Work 2026! Belay Technologies is seeking a System Engineer to join our intel team. This candidate will Apply systems... ...for SW Configuration Management of third-party OEM and USG HPC software stacks and firmware using GitLab Manage the execution of all...Full timeContract workWork experience placementFlexible hours$105k - $200k
...finalist in 2021! Belay Technologies is seeking a Mid-Level System Engineer to join our intel team. This position is part of a contractor... ..., as well as state-of-the-art commercial products. We hire software engineers, web designers, test engineers, systems engineers,...Full timeContract workFor contractorsWork experience placementFlexible hours$134k - $159k
...LEVEL IS REQUIRED We have an immediate need for a versatile Software Engineer to join our team. In this role, you will design, develop, sustain, and troubleshoot mission-focused software systems. Your day-to-day responsibilities will include feature implementation...Hourly payContract workWork experience placementImmediate startFlexible hours$215k - $235k
Title: Senior Software Engineer/Systems Engineer Location: Annapolis Junction Compensation Range: $215 - 235k Clearance: Active TS/SCI w/ Polygraph needed to apply Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space...Work experience placementFlexible hoursShift work- Leidos seeks a motivated Senior Systems Engineer to support an Agentic Knowledge Management System, drive system integration, deployment strategies, and lifecycle sustainment. Work closely with project leads to ensure compliance and robust delivery across the mission-focused...
$130k - $270k
...needed in a timely manner. Our team of engineers take pride in what they develop and constantly... ...solution. Captivation is looking for software developers who can get stuff done while... ...need for a Technical Requirements Systems Engineer to support the team and assist...Hourly payTemporary workImmediate start- The Johns Hopkins University Applied Physics Laboratory (APL) seeks a Junior Software Engineer to help develop radar, electronic warfare, and communication technologies for national defense. You will join the Sensor Modeling and Realtime Software Section and collaborate...
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