Systems Test Engineer - TS/SCI with CI Polygraph Modern Government SolutionsSystems Test Engineer - TS/SCI with CI PolygraphSterling, VAFull timeTITLE: Systems Test EngineerLOCATION: Sterling, VA CLEARANCE REQUIRED: Active DoD TS/SCI with CI Polygraph EMPLOYMENT TYPE: Full-time, Onsite POSITION SUMMARYModern Government Solutions (MGS) is seeking a Systems Test Engineer to plan, execute, and validate the performance, reliability, and security of mission-critical systems supporting national security operations. The ideal candidate combines strong analytical skills with hands-on experience developing and executing comprehensive test strategies across complex, integrated environments to ensure systems meet rigorous mission and accreditation requirements.
HPC Monitoring and Observability Engineer Shield Consulting SolutionsHPC Monitoring and Observability EngineerAnnapolis Junction, MD$255,000–$265,000 / yearJob Description: The Software Engineer shall be part of a team responsible for designing, developing and maintaining a comprehensive distributed Metrics and Monitoring solution for HPC systems to ensure the reliability, performance, and scalability of HPC infrastructure. Bachelor’s degree in a technical discipline 2 additional years of experience as a software engineer may be substituted for a degree.
Software Integration Engineer II Reflexive ConceptsSoftware Integration Engineer IIMarylandFive (5) years of full-time Computer Science directly related work that can be substituted for a degree, plus six (6) years of demonstrable experience with integrating, installing, configuring, upgrading, compiling, and supporting COTS/GOTS software in a heterogeneous operating system environment. Bachelor's Degree in Computer Science or a related field and at least six (6) years of demonstrable experience with integrating, installing, configuring, upgrading, compiling, and supporting COTS/GOTS software in a heterogeneous operating system environment OR.
Senior Data Engineer (Ci Polygraph Required) NorthHill TechnologySenior Data Engineer (Ci Polygraph Required)Chantilly, VirginiaAnalyzes raw data sources to develop and maintain datasets for transforming into useful data systems. NorthHill Technology Resources has a need for a Senior Data Engineer to support a Federal Program in Chantilly, VA.
SENIOR DEVOPS ENGINEER (TS/SCI Clearance required) NorthHill TechnologySENIOR DEVOPS ENGINEER (TS/SCI Clearance required)Springfield, VirginiaSenior DevOps Engineer In this role, you'll join our Common Operations Release Environment (CORE) team, providing high-quality, cost-effective cloud solutions to our clients. Manage operational readiness board – present at weekly meetings and determine if development services are ready for automation based on best practices and maintainability.
NewOperations Engineer, Fleet Reliability CoreWeaveOperations Engineer, Fleet ReliabilityWashington, DC$83,000–$110,000 / yearTo conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. We are seeking curious, creative and persistent problem solvers to join our Fleet Reliability Operations team to help us drive batches of server nodes through our provisioning and validation processes while efficiently and effectively troubleshooting node or cluster problems as they arise.
NewSr. Network Engineer JobotSr. Network EngineerGaithersburg, MD$110,000–$130,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. The ideal candidate has approximately 10+ years of experience in network engineering, a strong understanding of enterprise networking technologies, and experience working with Cisco, Juniper, or similar networking platforms.
Senior RF Systems Engineer LeidosSenior RF Systems EngineerFort Meade, MarylandBasic Qualifications: Bachelor’s degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related technical discipline from an accredited college or university. The selected candidate will apply systems engineering principles to both GOTS-based and mission-tailored RF solutions, contributing to system architecture, modernization initiatives, and lifecycle engineering activities across a diverse communications portfolio.
Senior Manufacturing Engineer ERG GroupSenior Manufacturing EngineerIndian Head, MD$140,000–$180,000 / yearERG offers multidisciplinary teams with nationally recognized skills in engineering, science, economics, public health, informational technology, and communications. The ideal candidate will have a deep understanding of explosives safety regulations, exceptional leadership skills, and a proven track record in process improvement and quality control.
Senior Cloud Engineer LeidosSenior Cloud EngineerReston, Virginia$92,300–$166,850 / yearJune 16, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Senior Systems Engineer - JobID-0236 Innovative Defense TechnologiesSenior Systems Engineer - JobID-0236Arlington, Virginia$135,000–$273,000 / yearThe Senior Systems Engineer will design, architect, and integrate complex DoD software systems, lead test execution efforts in the field, interface directly with senior warfighters and government sponsors, and drive resolution of complex integration and operational issues during test events. About The Role: Innovative Defense Technologies (IDT), a leading defense technology company, is seeking a Senior Systems Engineer to be part of our Advanced Capabilities team and based out of our Arlington, VA location.
Sr. Network Engineer LeidosSr. Network EngineerBethesda, Maryland$92,300–$166,850 / yearDesign, implement, and maintain highly available, scalable, and secure data center and enterprise network architectures, including spine-leaf topologies, virtualized environments, and fabric networks. June 16, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Air Force A10 AI/ML Engineer / Data Scientist NoblisAir Force A10 AI/ML Engineer / Data ScientistArlington, Virginia$132,900–$207,750 / yearFull timeCompensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. Model Development & Deployment Design, develop, and containerize machine learning (ML) models using modern frameworks and tools, including PyTorch, Ray, Docker, and FastAPI.
Critical Facilities Engineer, NA (Data Center) Vantage Data CentersCritical Facilities Engineer, NA (Data Center)Sterling, Virginia$46–$58 / hourMinimum 3 years, 5+ years preferred, of “hands on” experience with the maintenance and repair of industrial electrical and mechanical systems in mission-critical facilities to include; emergency generators (Generators, Fuel Delivery systems and Parallel Switchgear), electrical distribution (MV/LV switchgear and associated controls), critical and essential PDUs, UPS, switchgear, HVAC, air handling units, computer grade cooling systems, and building monitoring/control systems. If you enjoy working on critical data center systems (UPSs, PDUs, Diesel Generators, ATS equipment and Building Controls), as well as industrial electrical equipment and systems that include power distribution components/wiring, electronic components and lighting systems.
Robotics Validation & Release Engineer AES CorporationRobotics Validation & Release EngineerArlington, VA$145,000–$181,050 / yearYou will leverage your expertise in robotics, simulation, testing, and system validation to troubleshoot and solve complex challenges while working closely with cross-functional teams to ensure features are properly validated, improvements are clearly communicated, and software versions are tracked and controlled. As a specialist in the Maximo business, this position will work collaboratively across the Maximo, external industry partners across the value chain, and AES teams, including engineering, business development, construction, finance, supply chain, and strategy.
Senior Software Engineer, Windows/Desktop Applications - Silver Spring, MD, USA SpeechifySenior Software Engineer, Windows/Desktop Applications - Silver Spring, MD, USASilver Spring, MDThese include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. 3+ in Windows desktop application development using Windows App SDK, WinUI (or similar), C#, XAML — and ideally additional experience with native Windows code (C++, Win32/WinRT/COM).
Oracle AI Data Pipeline Engineer Booz Allen HamiltonOracle AI Data Pipeline EngineerReston, Virginia$99,000–$225,000 / yearOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
NewDevSecOps Engineer System OneDevSecOps EngineerMcLean, VARemoteExperience with AWS services such as IAM, VPC, EC2, S3, RDS/Aurora, Lambda, ECS/Fargate, EKS, CloudWatch, CloudTrail, Config, Systems Manager, Secrets Manager, KMS, GuardDuty, Inspector, Security Hub, CodePipeline, CodeBuild, CodeDeploy, ECR, or comparable services. • Cloud, DevSecOps, security, or agile certifications preferred, such as AWS Certified DevOps Engineer – Professional, AWS Certified Solutions Architect, AWS Certified Security – Specialty, Certified Kubernetes Administrator, Certified Kubernetes Security Specialist, Terraform Associate, Security+, SAFe, Certified ScrumMaster, or similar credentials.
Oracle AI Application Engineer Booz Allen HamiltonOracle AI Application EngineerReston, Virginia$99,000–$225,000 / year3+ years of experience with OCI services and cloud-native architecture patterns, including Compute, Oracle 26ai, AI Database Agent Factory, Spatial and Spatial Studio, APEX, security policies, security groups, and network security. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Software Integration Engineer III Reflexive ConceptsSoftware Integration Engineer IIIMarylandThe Software Integration Engineer will provide administration, maintenance, and operational support for the Platform-as-a-Service (PaaS) component of the CASA Compute Environment (CCE) — a secure, multi-tenant, high-performance, and highly available Kubernetes platform running on Linux-based infrastructure. Bachelor's Degree in Computer Science or related field and at least eight (8) years of demonstrable experience with integrating, installing, configuring, upgrading, compiling, and supporting COTS/GOTS software in a heterogeneous operating system environment OR.