3,531 ts sci jobs at 241 companies in Aberdeen, MD

2mo
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Systems Engineer-TS/SCI with Poly
Laurel, Maryland, United States
$132k-$290k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
14+ YOETS/SCI with Poly clearance; 14+ years SE/IT architecture experience; BS in a related field; strong communication and leadership; on-prem and cloud architecture experience.
AWS, Azure, Networking, End-User Computing, System Engineering Artifacts, CONOPS, SRS, SSDs, SEMs, TEMs
2d
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Engineer-TS/SCI
Aberdeen Proving Ground, Maryland, United States
$88k-$155k/yr OnsiteFull Time
Dalcom Engineering
Dalcom Engineering: Provides engineering and software solutions for defense applications.
3+ YOEBachelor's in engineering,3+ years professional engineering experience,active TS/SCI clearance,proficiency with engineering software and analytical tools,strong analytical and communication skills,ability to show HUBZone residency.
1mo
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VDI Engineer - TS/SCI
Sterling or Annapolis Junction
$147k-$199k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
10+ YOEActive TS/SCI clearance required (must be able to obtain TS/SCI + polygraph), US citizenship, 10+ years experience, DoD 8570 IAT Level II cert (e.g., Security+ or equivalent), experience with Citrix, Azure Virtual Desktop, PowerShell/Python, SQL clustering, Windows 10/11 SOE, RDS/Windows Server, and ATO processes.
Citrix XenDesktop, Citrix NetScaler, Citrix Virtual Apps, Citrix Virtual Desktops, Citrix ADC, Citrix Provisioning, Citrix AppLayering, Enterprise Layer Manager (ELM), VMware VDI, Microsoft Azure Virtual Desktop, Microsoft PowerShell, Python, SQL Clustering Failover, Microsoft Windows 10, Microsoft Windows 11, Remote Desktop Service (RDS), Microsoft Windows Server 2019, Microsoft Windows Server 2022, Authorize to Operate (ATO)
1mo
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Exchange Engineer - TS/SCI
Sterling or Annapolis Junction
$128k-$173k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
10+ YOEActive TS/SCI clearance with ability to obtain polygraph; DoD 8570 IAT Level II; Bachelor’s in a related technical field; Exchange expertise; PowerShell and Active Directory experience; 10+ years related experience.
PowerShell, Active Directory, Microsoft Exchange Server, Exchange Edge installations, System testing and vetting, ATO and Project Management
1mo
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Ontologist (TS/SCI cleared)
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
Bachelor's in a relevant field, proficiency with OWL/RDF/RDFs, SPARQL, ontology development and editors/tools, ability to work independently or on teams, strong analytical and communication skills, active TS/SCI clearance and U.S. citizenship required.
Ontology Web Language (OWL), Resource Description Framework Schema (RDFs), Resource Description Framework (RDF), SPARQL, TopBraid Composer, Protégé, ROBOT, rdflib, Apache Jena, Sesame, RDF4J, GraphDB, Stardog, Jena Fuseki, SHACL, SPIN, GIT, Python, Basic Formal Ontology (BFO), The Common Core Ontologies (CCO), SOSA/SSN, Time Ontology, OBO Foundry, Dublin Core, SKOS, QUDT, GeoSPARQL
2w
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TS/SCI Acquisition Specialist
Annapolis Junction, Maryland, United States
$69k-$160k/yr OnsiteFull Time
Precise Systems
Precise Systems: Provider of engineering and technical services for defense programs.
3+ YOERequires TS/SCI with polygraph, Bachelors in management/engineering/technical field, 3+ years acquisition/systems experience, DAU Level 2 (or equivalent), PPBE and DoD contracting (DFARS/FAR) experience, ability to brief executives.
Joint Capabilities Integration and Development Systems (JCIDS), Planning, Programming, Budgeting and Execution (PPBE), DFARS, FAR, DD-1423
3mo
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Systems Administrator - TS/SCI w/Poly
Fort Meade, Maryland, United States
$146k-$234k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
15+ YOESenior Linux Systems Administrator with TS/SCI w/poly; 15+ years SA experience; Linux (Ubuntu/RHEL8); SOA; IAT2; DOD 8570; shift work; current TS/SCI with poly.
Linux, Ubuntu, RHEL 8, Service Oriented Architecture (SOA)
2w
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TS/SCI Software Engineer SWE1
Hanover, Maryland, United States
$93k-$164k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
TS/SCI clearance required; software development with design, testing, and debugging experience; familiarity with Linux and Java; strong communication and agile experience preferred.
Linux, Java
1mo
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Systems Engineer - TS/SCI required
Aberdeen, Maryland, United States
$75k-$131k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
0+ YOEBachelor's (minimum) in Engineering, TS/SCI clearance, 0+ years systems engineering experience, MBSE experience (MagicDraw, SysML) preferred, strong analytical and communication skills.
MagicDraw, SysML
5d
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Facilities Project Coordinator - TS/SCI
Fort Meade, Maryland, United States
$45-$55/hr OnsiteFull Time
DAWSON
DAWSON: Federal contractor providing engineering, construction, and environmental services.
2+ YOEHigh school diploma, 2+ years administrative or facilities support experience, CMMS and Microsoft Office proficiency, strong organizational and communication skills, active TS/SCI clearance required.
CMMS, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Teams
3mo
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Systems Engineer - TS/SCI w/ Poly
Annapolis Junction, Maryland, United States
$112k-$179k/yr RemotePart Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
10+ YOETen years of Systems Engineer experience; Bachelor's degree; five years' substitution for degree; TS/SCI clearance with polygraph.
Apache NiFi, Zookeeper, Elasticsearch, Grafana, NiFi Registry, Linux
2mo
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Data Scientist (TS/SCI w/ Poly)
Columbia, Maryland, United States
$180k-$220k/yr OnsiteFull Time
SIXGEN
SIXGEN: Provides advanced cybersecurity services and products for national security.
4+ YOESenior Data Scientist with TS/SCI w/ Poly, 4+ years experience; onsite; strong data engineering and pipelines; cloud experience.
Python, Java, Scala, PostgreSQL, MySQL, MongoDB, Cassandra, Neo4j, Spark, Hadoop, Kafka, AWS, Azure
3mo
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Cyber Operations Capabilities Developer (TS/SCI)
Annapolis Junction, Maryland, United States
$92k-$195k/yr OnsiteFull Time
Vantor
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
5+ YOETS/SCI clearance; Bachelor's in a technical discipline; 5+ years; strong C and Python; Git; cross-compilation; reverse engineering; C2 tooling.
Git, C, Python, GDB, IDA Pro, Ghidra, Vulnerability Research, Exploit Development, Mythic, Cobalt Strike, Vermilion Strike, Sockets, TCP/IP, Cross-compilation
3mo
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Cyber Operations Capabilities Developer (TS/SCI)
Annapolis Junction, Maryland, United States
$92k-$195k/yr OnsiteFull Time
Maxar Intelligence
Maxar Intelligence: Providing satellite imagery and geospatial intelligence for global security.
5+ YOEActive TS/SCI clearance; bachelor’s in a technical field; 5+ years experience; strong C and Python; Git; reverse engineering; cross-compilation; C2 tooling.
C, Python, Git, GDB, IDA Pro, Ghidra
3w
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Process Engineer - TS/SCI with Poly
Annapolis Junction, Maryland, United States
$139k-$291k/yr OnsiteFull Time
BCT
BCT: Delivering mission technology and engineering services for national security.
10+ YOEActive TS/SCI with poly required; 10–15 years process improvement experience; bachelor’s in CS/IS/engineering/business/education; facilitation, training, methodology, and change-management experience.
1mo
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Application Engineer-TS/SCI with Poly
Linthicum Heights, Maryland, United States
$104k-$218k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
4+ YOETS/SCI with poly required; experience in cloud computing, virtualization, and cloud security; strong communication, writing, problem solving, and architectural skills; familiarity with NIST SP 800-53 and AWS security services.
NIST SP 800-53, AWS, Microsoft Azure, Google Cloud, IAM, SCPs, AWS Key Management Service, AWS Config, AWS Security Hub, GuardDuty, Inspector, Risk Management Framework, Zero-Trust
3mo
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AI Engineer with TS SCI + Polygraph
Linthicum Heights or Fort Meade
$127k-$200k/yr OnsiteFull Time
Aperio Global
Aperio Global: Develops cybersecurity, AI, and intelligence software for government missions.
5+ YOEActive TS/SCI with polygraph required; Bachelor's +5 (SWE2) or +8 (SWE3) years (or equivalent); proficiency in Python, LLM integration, RAG, static analyzers, relational and vector databases, Git, Jira, Confluence.
Python, LLM, RAG, Rust, Claude Code, OpenAI Codex, CI/CD, Git, Jira, Confluence
2mo
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Audit Manager (TS/SCI w/ Poly Required)
Fort Meade, Maryland, United States
$77k-$125k/yr OnsiteFull Time
Kearney & Company
Kearney & Company: Provides financial, accounting, and consulting services to federal agencies.
5+ YOEBachelor’s in Accounting or related field; min 5 years in auditing/accounting; CPA; TS/SCI with Poly; onsite in Fort Meade, MD
3mo
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MD-Test Engineer- TS/SCI w/ Polygraph
Annapolis Junction, Maryland, United States
$116k-$210k/yr OnsiteFull Time
Sunayu
Sunayu: Engineering technology and DevSecOps solutions for defense and intelligence missions.
8+ YOEEight years TE experience; TS/SCI with Polygraph; Bachelor's in Math/Science/Engineering; 4 years additional TE substituted for degree.
TestNG, Selenium, Cypress, Java, JavaScript, PostgreSQL, MongoDB, Page Object Model, API automation, JIRA, Confluence, Git, Linux, PuTTY, VS Code, Eclipse, Accessibility testing
2mo
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Web Developer II (TS/SCI w/ POLYGRAPH)
Fort Meade, Maryland, United States
OnsiteFull Time
COMSO
COMSO: Provides IT and software solutions to federal government agencies.
7+ YOESeven years SWE experience; Bachelor's in Computer Science; DoD 8570.01 IAM Level I; TS/SCI w/ polygraph required.
PHP, DotNet C#, Java, Node.js, Python, HTML, CSS, JavaScript, Vue.js, React, Linux, APIs