380 software system engineer jobs at 159 companies in Aberdeen, MD

2mo
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System Software Engineer
Hanover, Maryland, United States
$187k-$252k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
10+ YOE10+ years of related software engineering experience; TS/SCI with Poly clearance; experience with SCRUM, Docker, Git, Jenkins, Nexus; Angular, Java, JavaScript; Linux (RedHat).
Angular, Java, JavaScript, RedHat, Scrum, Docker, Git, Jenkins, Nexus, Cypress, Linux
5d
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System Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
14+ YOE14+ years systems engineering experience, bachelor's in related field (or equivalent), strong software development, requirements management, project management, and communication skills; Top Secret/SCI with polygraph required.
GhostMachine, QTA, DoDAF, SOA
2d
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Mid-Level System Engineer
Laurel or Columbia
$105k-$200k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
14+ YOERequires TS/SCI clearance with polygraph, bachelor's degree or equivalent experience, and 14 years of systems engineering experience. Leads software teams and develops complex systems and algorithms.
Department of Defense Architecture Framework (DoDAF), Service-Oriented Architecture (SOA)
1mo
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System Engineer (Multiple Levels)
Fort Meade, Maryland, United States
$132k-$290k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
0+ YOETS/SCI with Polygraph required; BS in systems-related field required; experience levels vary by level (0–20+ years); systems engineering, DoDAF/SOA, information assurance, and SETA experience; desired AWS, Zero-Trust, Agile, hardware and software engineering.
DoDAF, SOA, AWS, Agile
2mo
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System Engineer-Software Management Support (GC-2)
Annapolis Junction, Maryland, United States
$190k-$215k/yr OnsiteFull Time
Legato
Legato: Delivers IT engineering and cybersecurity services to defense agencies.
14+ YOEStrong system engineering background; TS/SCI w/ Polygraph; 14+ years of relevant experience; BS in a related field; 5 years experience may substitute for degree.
1mo
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Software Engineer
Aberdeen Proving Ground, Maryland, United States
$130k-$170k/yr OnsiteFull Time
MAG Aerospace
MAG Aerospace: Provides global intelligence, surveillance, and reconnaissance services and training.
5+ YOEMinimum 5 years software/systems engineering experience, proficiency in C++, Python or Java, Secret clearance, familiarity with systems engineering, IPTs, and test events; Bachelor’s in CS/Software Engineering preferred (experience may substitute).
C++, Python, Java, Kubernetes, NGTS, SIMDIS, TAK, AIDP, AFATDS, MEPED, JSDR, EWC2, EWPMT-X
1w
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Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
Systek
Systek: Provides systems engineering and technical assistance for defense agencies.
6+ YOE6+ years DoD software engineering experience, bachelor\u0002s degree preferred in computer science/info systems/software engineering, active DoD Top Secret/SCI clearance, BSc preferred, EM/ testing experience, strong communication and critical thinking.
1mo
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Senior Software Developer (Systems Software)
Columbia or Fort Meade
$146k/yr OnsiteFull Time
Endictus
Endictus: Provides cybersecurity and systems engineering services to federal agencies.
10+ YOEActive TS/SCI with CI Polygraph; degree in CS or related field; extensive systems software and CNO experience; proficiency in C/C++, Java or Python; strong OS, networking, distributed systems, and software engineering skills.
C, C++, Java, Python
1w
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Software Engineer
Annapolis Junction, Maryland, United States
$112k-$222k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
14+ YOEBachelor's degree in CS/Engineering,14 years software development experience,proficiency with Python,algorithms,databases,system integration,active TS/SCI with polygraph required.
Python
1d
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Software Engineer, Senior
Annapolis Junction, Maryland, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
10+ YOE10+ years in software, systems engineering, or cyber operations; production software delivery; programming; virtualization and containers; secure engineering; bachelor's degree or equivalent experience; ability to obtain Secret clearance.
Python, Go, Node.js, C#, Java, C++, VMware, KVM, Docker, Kubernetes, Microsoft Windows, CI/CD, API, DevSecOps, Raspberry Pi
1mo
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Embedded Operating System Software Developer – Level 3 or 4
Linthicum, Maryland, United States
$109k-$204k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEExperience developing embedded real-time systems in C/C++ and Python, embedded OS experience, Yocto/Linux and Bash scripting, FPGA/VHDL knowledge, software integration and debugging, ability to obtain Top Secret/SCI clearance.
C, C++, Python, Yocto, Bash, Linux, VHDL, Zephyr, Jira, Confluence, Bitbucket
2d
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Software Engineer, Senior
Annapolis Junction, Maryland, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
10+ YOERequires 10+ years in software or systems engineering, production software development, programming, virtualization, containers, secure engineering, and hardware integration; bachelor's degree or 14+ years' experience; ability to obtain Secret clearance.
Python, Go, Node.js, C#, Java, C++, generative AI, large language model tools, VMware, KVM, Docker, Kubernetes, APIs, CI/CD, Raspberry Pi, retrieval-augmented generation, AI agents, computer vision, machine learning, DevSecOps
1mo
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Embedded Operating System Software Developer – Level 3 or 4
Linthicum Heights, Maryland, United States
$109k-$163k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEExperience developing embedded real-time systems in C, C++, and Python; experience with embedded OS, Yocto, Linux, VHDL/FPGA, Bash scripting, software configuration management, and ability to obtain U.S. Top Secret/SCI clearance (U.S. citizenship required).
C, C++, Python, Yocto, Bash, Linux, VHDL, Zephyr, Jira, Confluence, Bitbucket
2w
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Software Systems Engineer
Auburn or Aberdeen
$65k-$175k/yr OnsiteFull Time
Integrated Solutions for Systems
Integrated Solutions for Systems: Provides engineering, systems integration, and research for defense.
Bachelor's in engineering/computer science, US citizenship, ability to architect software, produce system engineering artifacts, develop test plans, perform integration, and travel for customer support.
C++, cmake, Docker, Kubernetes, Helm, git, CI/CD
2mo
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Manager Software Engineering Finance System
Baltimore or Owings Mills
$111k-$153k/yr OnsiteFull Time
Element Fleet Management
Element Fleet ManagementToronto Stock Exchange: EFN: Provides commercial vehicle leasing and comprehensive fleet management services.
8+ YOE2+ Mgmt8+ years in software engineering; 2-4+ years in senior technical leadership; experience with large-scale systems, integrations, APIs, cloud-native architecture; hands-on coding; security and compliance knowledge.
APIs, Cloud, Security, Mainframe integration, Modern development frameworks, Programming languages
1w
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Principal Software Engineer
Lititz or United States
OnsiteFull Time
Listrak
Listrak: SaaS platform for unified retail marketing and cross-channel automation
12+ YOE12+ years software engineering experience; expert in scalable distributed systems, full-stack development, front-end frameworks, cloud-native apps, and technical leadership.
Vue.js, TypeScript, JavaScript, HTML, CSS, C#, .NET, Java, AWS, Kafka, Spark, Hadoop, Presto, GitHub Copilot, Claude Code, Codex
1mo
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Software Engineer
Laurel, Maryland, United States
$100k-$195k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
3+ YOEBS in CS/CE/Math or related, 3+ years software engineering experience, skilled in systems/scientific languages (Python, C++, Rust, Julia), Linux proficiency, CI/CD and testing practices, strong communication, and ability to obtain Interim Secret clearance (U.S. citizenship required).
Python, C++, Rust, Julia, CUDA, OptiX, SLURM, Linux, CI/CD, GPGPU
1mo
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Senior Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
VTG
VTG: Provides force modernization and digital transformation for defense agencies.
14+ YOEUS citizen with TS/SCI+Poly, Bachelor\u0002s in a technical field, minimum 14 years software engineering experience, proficiency with containerization and modern languages, experience with full-stack and systems integration.
Java, Python, Rust, C++, Docker, Kubernetes
1mo
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Software Engineer, Senior
Annapolis Junction, Maryland, United States
$91-$111/hr OnsiteFull Time
EverWatch
EverWatch: Develops software and intelligence systems for government agencies.
15+ YOE15+ years software engineering experience, TS/SCI with polygraph required, BSc in CS or related (or equivalent experience), skills in algorithm development, SDLC, system integration, and leading technical teams.
Python, C/C++, Bash, Powershell
3w
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Software Engineer III
Fort Meade, Maryland, United States
$190k-$205k/yr OnsiteFull Time
ALEX - Alternative Experts
ALEX - Alternative Experts: Provides engineering, data analytics, and logistics services to government.
8+ YOE8+ years cloud-native software engineering with Go/Python, Kubernetes and GitOps expertise; experience with Terraform/Ansible, event-driven systems (Kafka); mentorship and architecture leadership; TS/SCI with FSP required.
Go, Python, Kubernetes, Helm, GitOps, Kafka, Terraform, Ansible, ArgoCD, Fleet, TypeScript, OpenShift, Rancher, Istio, Linkerd, Prometheus, Grafana, OpenTelemetry, AWS GovCloud, cloud-init, Git, DISA STIGs