46 systems engineer intern jobs at 23 companies in Frederick, MD
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Quevera: Software engineering and cloud solutions for government and defense.
Active TS/SCI with Polygraph required. Proven engineering experience with Microsoft Defender for Endpoint and Trellix HX, MECM/SCCM/Intune deployment, Kusto Query Language (KQL), OpenIOC/YARA, and Windows/Linux/macOS internals. DoD 8570/8140 IAM Level II/III compliance required.
Microsoft Defender for Endpoint (MDE), Trellix HX, MECM, SCCM, Intune, Kusto Query Language (KQL), YARA, OpenIOC, Windows, Linux, macOS, Jira, Confluence, Cameo, Model-Based Systems Engineering (MBSE)
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
7+ YOETop Secret/SCI clearance; Bachelor's in related field or equivalent experience; 7-14 years in systems engineering; AWS, Terraform; Java; MongoDB; 30-40% international travel; active passport.
Staff Systems Engineer - International Travel Required
Hanover, Maryland, United States
$124k-$218k/yrHybridFull Time
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Active US Top Secret/SCI clearance with polygraph and valid US passport required. Experience with systems integration, test plan development, Windows/Linux/UNIX/RHEL, Python/Bash, cyber security requirements, and leading integration & test; willing to travel internationally 2-4 times/year.
TelesatNasdaq: TSAT: Operates satellites providing global communications and broadband internet services.
U.S. citizen pursuing a Bachelors or Masters in engineering/technical field; understanding of link budgets, antenna patterns, and optical communications; strong technical writing; ability to complete STK Level 1 and 2 certification.
Boston or New York City or Washington or United States
$325k-$360k/yrHybridFull Time
Anthropic: Developing safe and reliable artificial intelligence systems.
8+ YOEBachelor's or equivalent, 8+ years building secure IT systems, experience managing large MDM fleets, macOS/Windows internals, Python/shell/PowerShell, GitOps/CI/CD, public cloud and device telemetry experience.
Toffler Associates: Strategic advisory firm providing future-focused foresight and planning.
Enrollment in or recent completion of a degree in Computer Science, Data Science, Engineering, or related field; familiarity with cloud platforms (AWS, Google Cloud), big data (Hadoop, Spark), and Git; strong problem-solving and communication skills; must be legally authorized to work in the United States without visa sponsorship.
Solar Engineer Intern/Co-op Fall 2026 - Energy Solutions
Fairfax, Virginia, United States
OnsiteInternship
LegenceNasdaq: LGN: Engineering and maintenance services for mission-critical building systems.
Pursuing a BSEE (sophomore or junior preferred); CAD experience helpful; proficiency with Microsoft Word and Excel; strong communication skills; ability to travel for field work; hands-on PV system exposure through co-op.
Austin or Menlo Park or Washington or New York City
$171k-$240k/yrOnsiteFull Time
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
8+ YOEBachelor's degree or equivalent,8+ years building and shipping full‑stack projects,experience scaling internal tooling and driving multi‑team technical roadmaps,ability to communicate across global teams.
Global C2 Integration Technologies: Provides AI and engineering solutions for defense missions.
10+ YOEBachelor's degree in related field; 10+ years network/communications experience; strong AWS networking; Terraform; VSAT and terrestrial systems; TS/SCI clearance; international travel.
AWS, Terraform, VSAT, Cisco Routing and Switching, VPN, Firewall
SESEuronext Paris: SESG: Provides global satellite-based video and data connectivity services.
Avionics and aircraft systems troubleshooting; RF/CDMA familiarity; read schematics; maintain manuals; analyze data logs; drive root-cause analysis and improvements.
Avionics, RF testing equipment, Test equipment, Network tools, Linux, Windows, IP networking
Forterra: Develops autonomous ground vehicle systems and software for defense.
2+ YOE2-3 years software engineering, systems integration, DevOps, or internal tools; strong C#, .NET, APIs, scripting, SQL; experience building or supporting internal applications and automations.
C#, DOTNET, SQL, PowerShell, Power Automate, Microsoft 365, Azure
Social Impact: Provide management consulting for global development effectiveness.
0+ YOEPursuing CS/SE/Data Science degree; strong problem-solving; able to work independently and with others; interest in scalable enterprise systems; US citizen; DC area; internship; background check.
Commit: End-to-end software, cloud, and cybersecurity consulting and development.
2+ YOE2+ years in vulnerability research/offensive security or low-level systems engineering; reverse engineering, binary analysis, fuzzing, exploit development experience; strong OS internals and debugging skills; ability to ship production tools.
ManitowocNYSE: MTW: Manufactures and services heavy-duty cranes and lifting equipment.
10+ YOESenior embedded software engineer with 10+ years in real-time/safety-critical systems; leadership experience; strong C/C++ skills; knowledge of safety standards; travel both international and domestic.
ManTech: Provides technology solutions for defense and intelligence agencies.
2+ YOEBS+4yrs or MS+2yrs or HS+8yrs; experience with Python or C/C++; troubleshooting and debugging; networking, low-level system internals, reverse engineering and Atlassian tools preferred; active TS/SCI w/Poly required.
Promise: Providing payment and financial assistance systems for government agencies.
5+ YOE5+ years of software or infrastructure experience in a platform/infra/SRE role; production Kubernetes; Terraform IaC; internal systems; on-call; AI tools experience.
Kubernetes, Terraform, Google Cloud Platform, CI/CD, ArgoCD, Typescript, Golang, AI tools
Markon: Provides professional services and management consulting for government agencies.
5+ YOEActive TS/SCI with poly; BS in Computer Science, Engineering, or related field with 5+ years; experience with Assembly, C, C++, and/or Python; OS internals; vulnerability research and reverse engineering; familiarity with reverse engineering tools; debugging tools; embedded systems exposure; exploit mitigations such as DEP/ASLR; TCP/IP knowledge; t...
San Francisco or San Jose or New York City or Seattle or Austin or Washington or California or Massachusetts or New Jersey or Washington or United States
$264k-$402k/yrRemoteFull Time
Thumbtack: Online marketplace connecting homeowners with local service professionals.
Senior engineering leader with experience managing managers, building internal platforms and business applications (Salesforce-centered), and delivering AI-enabled, auditable workflows across systems of record.
BTAS: A woman-owned small business delivering IT, engineering, and program management capabilities to DoD programs.
6+ YOEBachelor's or Associate's degree plus 4 years; 6 years in program management, technical or business analysis; 3 years in aircraft systems CM; CM experience with DoD/international aircraft programs.