NewSenior Network Engineer - 3629956 CTCSenior Network Engineer - 3629956Washington, DCHarden Cisco network devices and public-facing/perimeter network assets using secure configuration baselines, strong encryption, secured management interfaces, strict ingress/egress filtering, firewall rule optimization, and multi-factor authentication for administrative access. With offices in Washington DC and San Diego, CA, CTC is a leading technology company providing lifecycle IT, data analytics, cloud managed hosting services, agile software development, DevOps, Test Automation, Cyber Security, and infrastructure solutions.
NewNetwork Engineer Altus Consulting CorpNetwork EngineerHerndon, VAExperience with network monitoring tools (SNMP, NetFlow).Familiarity with software-defined networking (SDN) and virtualization technologies (optional).Strong written and verbal communication skills. Bachelor's degree in Computer Science, Information Systems, Engineering, or related field (preferred).2+ years of experience in network engineering.
Cloud Engineer LeidosCloud EngineerArlington, VA$87,100–$157,450If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 25, 2026For 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.
Systems Network Administrator I/Service Desk Support LeidosSystems Network Administrator I/Service Desk SupportLaurel, MarylandOur team is at the cutting edge of Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and advanced analytics —delivering solutions that directly support critical national security missions. You’ll also provide hands-on support to users both at headquarters and across the enterprise—delivering excellent customer service while managing multiple priorities.
Systems Network Administrator (SNA-2) LeidosSystems Network Administrator (SNA-2)Laurel, Maryland$92,300–$166,850 / yearThis team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and advanced analytics , delivering mission-critical capabilities that directly support national security. April 7, 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.
Senior Network Engineer AerovironmentSenior Network EngineerAnnapolis Junction, MD$102,000–$255,000 / yearWithin the last ten (10) years, a minimum of seven (7) years of experience: - Establishing LANs, including the creation and configuration of common network services.- Assembling and configuring equipment racks comprised of RAIDs, switches, and Linux hosts, as well as installing fiber optic and copper cabling.- Determination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity, as well as alignment with market data.
System Administrator, Mid Booz Allen Hamilton Inc.System Administrator, MidArlington, VA$62,000–$141,000 / yearExperience configuring and managing Unix, Linux, and Windows operating systems, including installing or loading operating system software, troubleshooting, maintaining the integrity of and configuring network components, and implementing operating systems enhancements to improve security, reliability, and performance. 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.
Network Operations Manager Systems Planning and AnalysisNetwork Operations ManagerAlexandria, VirginiaFull timeSPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Design, deploy, configure, maintain , and optimize enterprise network infrastructure, including routers, switches, firewalls, wireless networks, VPNs, and cloud networking components.
Database Administrator TS/SCI Polygraph LeidosDatabase Administrator TS/SCI PolygraphAnnapolis Junction, MarylandThe selected individual will evaluate and recommend available database management system products; perform database and software lifecycle activities to ensure the highest level of system performance, availability, and compliance with business requirements; and will organize and format data for efficient query and storage processes. Translate requirements and data into usable database schemas by creating or recreating ad hoc queries, scripts and macros, making updates to existing queries, and creating new queries to manipulate data into a master file.
Oracle Database Administrator TS/SCI Polygraph LeidosOracle Database Administrator TS/SCI PolygraphAnnapolis Junction, Maryland$107,900–$195,050 / yearThe selected individual will evaluate and recommend available database management system products; perform database and software lifecycle activities to ensure the highest level of system performance, availability, and compliance with business requirements; and will organize and format data for efficient query and storage processes. Translate requirements and data into usable database schemas by creating or recreating ad hoc queries, scripts and macros, making updates to existing queries, and creating new queries to manipulate data into a master file.
System Administrator TS/SCI Polygraph LeidosSystem Administrator TS/SCI PolygraphAlexandria, VirginiaExecuting the process for managing information assurance vulnerability alerts (IAVAs) and system security scanning for equipment suites in accordance with the System Security Plans for these systems to identify and remediate IAVAs rapidly and accurately. 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.
System Administrator TS/SCI Poly LeidosSystem Administrator TS/SCI PolyAnnapolis Junction, Virginia$87,100–$157,450 / yearExecuting the process for managing information assurance vulnerability alerts (IAVAs) and system security scanning for equipment suites in accordance with the System Security Plans for these systems to identify and remediate IAVAs rapidly and accurately. 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.
Systems 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.
Enterprise - Junior Systems Administrator - AWS, Elastic, Splunk Erias VenturesEnterprise - Junior Systems Administrator - AWS, Elastic, SplunkAnnapolis Junction, MarylandWe’re looking for a system administrator who specializes in maintaining the security posture of a Linux computing environment for a team of 30 analysts and developers performing data science activities and developing forward-looking models to enhance strategic decisions about Information Technology performance and capacity. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers.
Linux Systems Administrator Johns Hopkins Applied Physics LaboratoryLinux Systems AdministratorLaurel, MarylandFull timeAPL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
Systems Administrator (SA) - TS/SCI with CI Polygraph Modern Government SolutionsSystems Administrator (SA) - TS/SCI with CI PolygraphMcLean, VAFull timeThe SA will work alongside the program's ISSE and security team to implement technical controls, maintain system security posture, and support the ongoing fielding and maintenance of a Top Secret Contractor Wide Area Network (CWAN).The ideal candidate brings hands-on experience with system hardening, vulnerability management, and system administration in NRO-sponsored CWAN infrastructure, along with the ability to collaborate effectively across technical and program teams in classified environments. TITLE: Systems Administrator (SA)LOCATION: McLean, VACLEARANCE REQUIRED: Active DoD TS/SCI with CI PolygraphEMPLOYMENT TYPE: Full-time, On-site POSITION SUMMARYModern Government Solutions (MGS) is seeking a Systems Administrator (SA) to support the implementation, hardening, and maintenance of secure systems for mission-critical government programs.
Senior Linux Systems Administrator / Systems Engineer (Day, Night or Weekend Shift - TS/SCI with Polygraph required) Red AlphaSenior Linux Systems Administrator / Systems Engineer (Day, Night or Weekend Shift - TS/SCI with Polygraph required)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. Our approach in determining final salaries takes into consideration a number of factors such as education, certifications, total years of relevant professional experience, actual level of expertise, and the responsibilities of the role itself.
Senior Linux Systems Administrator LeidosSenior Linux Systems AdministratorAnnapolis Junction, Maryland$92,300–$166,850 / yearApril 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 in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Windows System Administrator, Mid-Level Tekla ResearchWindows System Administrator, Mid-LevelDistrict of Columbia$85,000–$125,000 / yearThe primary objective of the SSDD is to develop command, control, communications, computers, and intelligence, surveillance, and reconnaissance (C4ISR) hardware and software solutions to space, airborne, and ground applications. administering modern Windows Server and Windows endpoint platforms, enforcing DoD security.
Mid-Level DevOps Engineer / System Administrator (TS/SCI with Polygraph) Red AlphaMid-Level DevOps Engineer / System Administrator (TS/SCI with Polygraph)Columbia, Maryland$150,000–$180,000 / yearOur 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 includes managing ArcGIS Enterprise components, supporting cloud and on-premises environments, implementing automation, troubleshooting operational issues, and contributing to continuous improvement initiatives.