1,573 systems developer jobs at 434 companies in Aberdeen, MD
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Systems Engineer
Annapolis Junction or Laurel or Hanover
$50k-$290k/yrOnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
7+ YOE7+ years SE experience (varies by level), BS in engineering/CS or equivalent experience, ability to develop systems engineering documentation, manage requirements, and work with DoDAF/SOA; government clearance and polygraph required.
Department of Defense Architecture Framework (DoDAF), Service-oriented Architecture (SOA), Work Breakdown Structure (WBS), Integrated Master Plan (IMP), Configuration Control Board (CCB), Interface Control Documents
ManTech: Provides technology solutions for defense and intelligence agencies.
12+ YOERequires US citizenship and active TS/SCI with Polygraph; minimum 12 years relevant SE experience (bachelor's+), ServiceNow implementation experience, systems engineering leadership, GRC/IRM experience, and reporting/dashboard development.
SOSi: Provides technology and mission solutions for national security.
5+ YOEActive in-scope TS/SCI with CI polygraph, 5+ years systems engineering, software development, and electrical engineering experience; LabVIEW and Python/C++ proficiency; technical writing and presentation skills; experience with UHF/HF/ELF encrypted communications.
EverWatchNYSE: BAH: Provides advanced software and intelligence solutions for government agencies.
20+ YOELead engineering teams, design and develop mission systems, create requirements and schedules, use tools like Maven/Git/JIRA/NPM/Docker/Linux, optimize large-data code (Java, Python, TypeScript); Top Secret/SCI with polygraph required.
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
Bachelor's in engineering/math/physics, systems engineering experience with concept development, requirements analysis, design, test & evaluation, risk assessment; literate in SysML/UML; active Secret clearance and ability to obtain Top Secret; travel periodically; strong communication and critical thinking.
Systems Modeling Language (SysML), Unified Modeling Language (UML), Cameo Enterprise Architecture, IBM Rational Rhapsody, IBM Rational DOORS, Advanced Framework for Simulation, Integration, and Modeling (AFSIM)
RealmOne: Provides advanced technology services for national security agencies.
14+ YOE14 years systems engineering experience; Bachelor’s in systems engineering/computer science/related (or +5 years experience in lieu); expertise in requirements development, DoDAF/SOA, IA, JCIDS, system integration and verification; active security clearance with polygraph.
Department of Defense Architecture Framework (DoDAF), Service-oriented Architecture (SOA), Joint Capability Integration Development System (JCIDS)
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
14+ YOEActive TS/SCI with Polygraph; 14+ years systems engineering experience; Bachelor’s in related field (or +5 years experience); experience with Agile/Scrum, requirements development, system design, documentation, and troubleshooting.
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
7+ YOE7+ years systems engineering experience across lifecycle, bachelor\u0002s in systems engineering or related field, expertise in system architecture, design, integration, testing, documentation; active TS/SCI with Polygraph required.
Aberdeen Proving Ground or Fort Belvoir or Huntsville or Austin or Tobyhanna Army Depot or Letterkenny Army Depot or Lakehurst
OnsiteFull Time
Envision Innovative Solutions: Provides technical engineering and mission support to government agencies.
5+ YOE5+ years of systems engineering; strong ability to design, integrate and test complex hardware/software systems; gather requirements and document configurations.
JASINT: Providing cybersecurity and technical services for national security missions.
5+ YOE5+ years DoD systems engineering experience supporting GCCS/JPES, system integration/testing, DoDAF artifacts, RMF/STIGs, Linux/Windows, and cybersecurity in classified environments.
Metrea: Provider of effects-as-a-service to global national security partners.
Develop and deploy production software for edge sensing and secure communications; proficiency in Rust/Python/Bash, Linux, networking fundamentals; US citizenship and ability to obtain Top Secret/TS/SCI clearance required.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOETS/SCI with polygraph required; bachelor's in systems engineering or related field with 7+ years systems engineering experience (or 12+ years without degree). Experience with protocol analysis (DVT, Wireshark), scripting/Java, Linux, Kubernetes, and networking protocols.
eSimplicity: Provides digital and data services to federal government agencies.
10+ YOEBachelor's degree and 10+ years systems engineering experience; experience building agentic AI, MCP integrations, LLM development, Python, cloud deployments, CI/CD, and public trust clearance eligibility.
Model Context Protocol (MCP), Python, Azure, AWS, Google Cloud Platform (GCP), Databricks, Snowflake, Spark, Strands Agents, LangGraph, CrewAI
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
0+ YOEBachelor's degree in a STEM field required; 2 years' experience with a BS (or 0 with MS/PhD) for Engineer level, higher experience for Principal. Top Secret clearance required; systems engineering experience and strong communication skills required.
Sentar: Provides cybersecurity and intelligence solutions for national security agencies.
0+ YOETS/SCI with active polygraph, bachelor\u0002s in engineering or related field, lifecycle systems engineering experience (varies by level), strong analytical and documentation skills.
Fantom Corporation: Provides specialized IT, engineering, and cybersecurity services for federal agencies.
14+ YOERequires full clearance with a recent MD polygraph; onsite at Fort Meade. Bachelor's in a related technical field (or equivalent) and 14+ years systems engineering experience with DoDAF, SOA, JCIDS, requirements development, integration, IA, risk and configuration management.