Senior Full-Stack Software Engineer (AI/ML Systems) Staffed4USenior Full-Stack Software Engineer (AI/ML Systems)MarylandThis role focuses on building and integrating full-stack applications that leverage modern artificial intelligence and machine learning capabilities to address complex operational requirements. The position requires close collaboration with technical teams, stakeholders, and end users to deliver scalable, reliable, and user-focused systems.
National Industrial Security Program Lead/Manager AstrionNational Industrial Security Program Lead/ManagerColumbia, Maryland$94,000–$140,000 / yearContinuous Monitoring and Improvement : Assess security risks, identify trends, recommend improvements to senior management, and ensure adequate security resources are available to meet the complexity and classified workload of the facility. Classified Information Protection: Establish and oversee controls for receipt, generation, access, handling, reproduction, transmission, storage, and disposition of classified information; this includes safeguarding areas, approved storage, combinations/credentials, and physical security controls.
NewLinux System Administrator CACI International IncLinux System AdministratorWashington, DC$103,800–$218,100 / yearThis position requires supporting vulnerability remediation and conducting security assessments while researching and maintaining proficiency in tools, techniques, countermeasures, and trends in computer and network vulnerabilities, data hiding, and network and device security and encryption. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Control Systems Engineer Johns Hopkins Applied Physics LaboratoryControl Systems EngineerLaurel, MarylandFull timeProvided technical leadership to teams of varying size and mentor junior staff to ensure that our team maintains deep knowledge across classical, modern, and advanced feedback control design for missile systems. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
New2027 BS/MS - Artificial Intelligence and Complex Systems Johns Hopkins Applied Physics Laboratory2027 BS/MS - Artificial Intelligence and Complex SystemsLaurel, MarylandFull timeAs a member of our research team, you will contribute to projects in a variety of ways, such as designing, training, and developing machine learning (ML) algorithms, collecting and preparing data, evaluating models, programming, developing tool-using and multi-step agentic workflows, and prototyping AI co‑investigator capabilities for scientific discovery. Have experience applying AI/ML to real-world data such as materials data, omics data, additive manufacturing related data, satellite imagery, remote sensing data, and/or earth systems data, Have experience with research software development practices, including Git, testing, documentation, reproducible workflows, or collaborative code review.
NewSupervisory Aviation Technical Systems Specialist (District Facility Manager) U.S. Department of TransportationSupervisory Aviation Technical Systems Specialist (District Facility Manager)Washington, DC$138,995–$215,370 / yearMaintains contacts both internal and external to the district, including senior management union representatives, service center personnel, members of the state local and federal government, foreign government aviation official general public, ATO Service Units, FAA lines of business representatives of the aviation industry and military to facilitate resolution of air traffic operational and technical program issues. Managerial duties typically affect employees and managers in more than one organizational unit/project/program and include: planning; communicating the organizations vision and objectives; setting priorities; assigning task and responsibilities; monitoring and evaluating performance; coaching and developing employee capabilities; approving leave; and taking, recommending or approving corrective/disciplinary actions as appropriate.
Senior Systems Engineer Envision Innovative SolutionsSenior Systems EngineerAnnapolis Junction, MD$190,000–$200,000 / yearThe projected compensation range for this position is $190,000.00-$200,000.00.There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categories. OR High School Diploma or GED plus fourteen (14) years of general systems engineering experience (any process area), OR Master’s degree plus eight (8) years of systems engineering experience.
Systems Engineering (Software & User Experience), Senior Advisor - TS/SCI w/poly PeratonSystems Engineering (Software & User Experience), Senior Advisor - TS/SCI w/polyAnnapolis Junction, Maryland$176,000–$282,000 / yearFull timeBenefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan. The Senior Systems Engineer will collaborate with product and Systems Engineering teams to support user feedback-driven design, improve software functionality and usability, and help deliver effective solutions that meet user needs.
Principal Elasticsearch Systems Engineer LeidosPrincipal Elasticsearch Systems EngineerBethesda, MarylandOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. January 20, 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.
Lead Linux Systems Administrator (TS/SCI with Polygraph) Red AlphaLead Linux Systems Administrator (TS/SCI with Polygraph)Annapolis Junction, MarylandOur total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. This team provides information security solutions enabling secure data transmission, the identification and prevention of unauthorized activity, completion of system security vulnerability assessments, and the development of effective security solutions.
Elasticsearch Systems Engineer (SME) LeidosElasticsearch Systems Engineer (SME)Bethesda, MarylandJanuary 20, 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. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
NewSystems Administrator Booz Allen HamiltonSystems AdministratorUsa, Maryland$61,900–$141,000 / 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.
Cyber Systems Program Lead – Cross/Multi Domain Integration - EW&C MAG AerospaceCyber Systems Program Lead – Cross/Multi Domain Integration - EW&CAberdeen Proving Ground, Maryland$150,000–$200,000 / yearFull timePosition Summary: MAG Aerospace is seeking a Program Lead – Cross Domain Solution / Multi Domain Integration will serve as the technical and programmatic lead for the development and integration of CDS capabilities supporting Product Lead Strategic Spectrum Warfare (PL SSW). Manage relationships with key CDS stakeholders including NSA, DISA CDS Office, Army Cyber Command, Army Cryptologic Office, NETCOM, DEVCOM, and mission partner nations.
Options for Systems Administrators, all levels - FS Poly stanleyreidOptions for Systems Administrators, all levels - FS PolyAnnapolis Junction, MarylandApply @ https://careers.stanleyreid.com/, or contact our MD team for more info: mwhitford@stanleyreid.com, asmith@stanleyreid.com. Once we have a good idea of what you're looking for, we can do all the leg work in researching, digging and connecting you with opportunities that are closely aligned.
Options for Systems Engineers, all levels - FS Poly stanleyreidOptions for Systems Engineers, all levels - FS PolyAnnapolis Junction, MarylandApply @ https://careers.stanleyreid.com/, or contact our MD team for more info: mwhitford@stanleyreid.com, asmith@stanleyreid.com. Once we have a good idea of what you're looking for, we can do all the leg work in researching, digging and connecting you with opportunities that are closely aligned.
Sr. Systems Engineer (Quantum Computing) - FS Poly stanleyreidSr. Systems Engineer (Quantum Computing) - FS PolyMarylandApply online at https://careers.stanleyreid.com/ or contact our MD team for more info: mwhitford@stanleyreid.com, asmith@stanleyreid.com. You'll participate in Integrated Product Teams (IPTs) and Configuration Control Board (CCB) reviews, coordinating action resolution and developing comprehensive system design solutions and verification plans.
Senior Systems Engineer (SE-3) LeidosSenior Systems Engineer (SE-3)MarylandSeeking a motivated Senior Systems Engineer to support the exciting Analysis & Mitigations mission to assist in defining and implementing a system architecture for an Agentic Knowledge Management System using an agentic framework to perform automated knowledge extraction. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Linux Systems Administrators - All Levels LeidosLinux Systems Administrators - All LevelsAnnapolis Junction, MarylandJune 15, 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. Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Storage Systems Engineer - Secret clearance PGTEKStorage Systems Engineer - Secret clearanceFort Meade, MD$130,000–$160,000You'll be responsible for maintaining highly available storage infrastructure, supporting mission-critical environments, and ensuring data protection through enterprise backup technologies. This role is ideal for an engineer with extensive experience managing enterprise storage environments, Storage Area Networks (SAN), and Backup & Recovery (BURA) solutions.
Storage Systems Engineer - Secret Clearance PGTEKStorage Systems Engineer - Secret ClearanceFort Meade, MD$130,000–$160,000 / yearYou'll be responsible for maintaining highly available storage infrastructure, supporting mission-critical environments, and ensuring data protection through enterprise backup technologies. This role is ideal for an engineer with extensive experience managing enterprise storage environments, Storage Area Networks (SAN), and Backup & Recovery (BURA) solutions.