NewSenior Network Operations Engineer – Tier 3 CACISenior Network Operations Engineer – Tier 3Washington Dc, District of Columbia$103,800–$218,100 / yearJob Title: Senior Network Operations Engineer – Tier 3Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 25%Type of Travel: Continental US* * * The Opportunity: 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.
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.
Senior Software Engineer eVisitSenior Software EngineerWashington, DCWe help our customers design care pathways that lower the total cost to deliver care, increase access, and enhance both patient and provider experiences- all while strengthening clinical, operational and financial performance. Serve as a technical lead contributing to and directing the efforts of development teams, including internal and external members to deliver products and features on-time.
Sr Database Engineer PEAK Technical Services Inc.Sr Database EngineerWashington, DC$48.14–$61.20 / hourThe Senior DBA will drive database architecture, capacity planning, high availability design, disaster recovery strategies, automation of operational workflows, and enforcement of robust security practices across AWS environments. The candidate must be able to work independently and collaborate closely with stakeholders, application teams, and infrastructure engineers to streamline deployments, improve database reliability, and ensure consistent data operations across multiple environments.
Senior Implementation Engineer Regulus GroupSenior Implementation EngineerDistrict of Columbia, District of ColumbiaHeadquartered in Woodstock, Virginia, our depth of experience integrated with a broad set of program management, finance, and operations research capabilities has enabled Regulus to become the premier systems engineering and program management services provider for the Federal Aviation Administration’s (FAA) most challenging programs. We offer unparalleled technical and program management support across all five directorates in the Program Management Organization (PMO), and we are fully committed to the PMO's mission, initiatives, processes, and requirements.
Sr. Test Engineer LeidosSr. Test EngineerBethesda, MarylandAs a Test Engineer on this program, you will have the opportunity to design, develop, and execute automated tests to ensure the quality and reliability of software applications and services in a Continuous Integration / Continuous Delivery Pipeline within a commercial cloud environment. Collaborate with team members (Scrum Master, Product Owner, Software Developers) to develop test approaches with emphasis on automation of recurring/regression test cases through selected toolsets.
NewSenior DevOps Engineer LeidosSenior DevOps EngineerAnnapolis Junction, MarylandAugust 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.
PKI Engineer, Senior Booz Allen HamiltonPKI Engineer, SeniorLaurel, Maryland$86,800–$198,000 / 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.
F5 Network Security Engineer, Senior Booz Allen Hamilton Inc.F5 Network Security Engineer, SeniorFort Meade, MD$86,900–$198,000 / yearThis position is built for someone who enjoys solving difficult networking problems, working hands-on with advanced F5 and load balancing technologies, and supporting mission-critical infrastructure where performance, resilience, and security matter every day. This role offers the opportunity to take ownership of meaningful technical challenges, collaborate with experienced engineering and cybersecurity teams, and help modernize secure communications infrastructure supporting national security missions.
NewFull Stack Software Engineer, Senior Booz Allen Hamilton Inc.Full Stack Software Engineer, SeniorAnnapolis Junction, MD$86,900–$198,000 / 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. The senior software engineer supports cross functional team collaboration to ensure software solutions meet technical functional and security requirements throughout the lifecycle.
Senior Software Engineer CompuGroup MedicalSenior Software EngineerOwings Mills, MarylandAt the powerful crossroads of healthcare and innovation, we are passionately building the next chapter of e-health—a revolution that saves lives, transforms care, and brings compassion into the digital age. Our vision is revolutionizing how healthcare professionals produce, access, and utilize information and thus enabling them to focus on the core value of their work: patient outcomes.
Senior Mechanical Design Engineer - MD Johnson Service GroupSenior Mechanical Design Engineer - MDWestminster, MDWork directly with internal and external customers, suppliers, project engineers, design engineers, test engineers, sustainment engineers, Centers of Excellence, manufacturing engineers, quality engineers, program management, and other functions to develop systems and products. Work to Design for Six Sigma (DFSS) principles including careful management of Critical to Quality requirements through the design lifecycle, rigorous knowledge building of the design space, understanding of the effects of manufacturing variation, and design for manufacturing and assembly to meet product recurring cost targets.
Senior Full-Stack Software Engineer - Front-End Focused Stand TogetherSenior Full-Stack Software Engineer - Front-End FocusedArlington, VirginiaStand Together is a philanthropic community that helps America’s boldest changemakers tackle the root causes of our country’s biggest problems, from education to the economy, broken communities, and toxic division, among dozens of other pressing issues . As a Senior Full-Stack Software Engineer (Front-End Focused) on our Enterprise IT team, you will own the design implementation for the consumer-facing web applications that serve as the front door to Stand Together's philanthropic community.
System Security Engineer, Senior Booz Allen HamiltonSystem Security Engineer, SeniorUsa, Maryland$99,000–$225,000 / yearUsing your knowledge and experience in system security engineering principles, you’ll help our client enterprise organization help their enterprise customers in assessing security threats and implementing infrastructure controls. 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.
Sr. Systems Engineer 4 Reflexive ConceptsSr. Systems Engineer 4MarylandPerform long-term, in-depth vulnerability assessments leveraging systems engineering principles and knowledge, utilizing any available information, including architecture diagrams, build specifications, design documentation, and systems architecture. In this role you will: Perform cybersecurity assessments of large-scale DoD systems, utilizing an OCO (Offensive Cyber Operations) mindset to perform DCO (Defensive Cyber Operations) activities.
Senior Forward Deployed Engineer, Public Sector Dynamo AISenior Forward Deployed Engineer, Public SectorWashingtonYou will work directly with customer engineering teams, mission users, security stakeholders, and Dynamo’s product and engineering teams to translate operational needs into working software, deployment architectures, and product feedback that shapes our roadmap and public sector strategy. Create tailored demos, prototypes, workflows, and collateral for federal executives, technical teams, and mission users, helping translate validated use cases into initial deployments.
Senior Software Engineer Decision TechnologiesSenior Software EngineerWashingtonCompensation at Decision Technologies, Inc. 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. · Travel should be infrequent but include occasional trips to support government efforts at East and West Coast naval-centric areas like Norfolk, VA and San Diego, CA.
Senior Systems Integration & Configuration Engineer MAG AerospaceSenior Systems Integration & Configuration EngineerAberdeen Proving Ground, Maryland$150,000–$195,000 / yearFull timePosition Summary: The Senior Systems Integration & Configuration Engineer serves as a technical leader for Configuration Management (CM), systems integration, documentation control, and cybersecurity readiness across TSIGS platforms—including Picketline, TSPRING, and SCAMP. This role requires expert-level understanding of platform Technical Data Packages (TDPs), the ability to accurately redline and manage technical documentation, and the engineering discipline to ensure configuration baselines remain authoritative and traceable.
Senior Java Software Engineer LeidosSenior Java Software EngineerAnnapolis Junction, MarylandWorking alongside experienced software engineers, you'll develop Spring Boot services, build RESTful APIs, optimize relational databases, and contribute to Kubernetes deployments and CI/CD automation. If you're passionate about backend engineering, modern Java development, scalable architectures, and continuous improvement, you'll find challenging technical work, a collaborative engineering culture, and the opportunity to make a meaningful impact.
Senior Cybersecurity Engineer Fluence EnergySenior Cybersecurity EngineerArlington, VirginiaThe Senior Cybersecurity Engineer works closely with product, software, networking, and operations teams to integrate security into development and deployment processes while ensuring alignment with business and operational needs. The Senior Cybersecurity Engineer is responsible for implementing and advancing cybersecurity engineering practices across Fluence software products, operational technology (OT) environments, and supporting infrastructure.