Tier 2 Systems Administrator CACI International IncTier 2 Systems AdministratorSpringfield, VA$86,600–$181,800 / yearPay 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. In this role, you will serve as an escalation point for Tier 1 support and be responsible for maintaining and troubleshooting mission critical IT systems, supporting end users, and ensuring the security and performance of our infrastructure.
Systems Administrators - multiple levels - FULLY CLEARED with POLYGRAPH REQUIRED Constellation TechnologiesSystems Administrators - multiple levels - FULLY CLEARED with POLYGRAPH REQUIREDAnnapolis Junction, Maryland$85,000–$240,000 / yearThis position is open to multiple levels of years of experience; two (02) years within the last five (05) years must be directly related to Systems Administration: o Level 04 requires a minimum fifteen (15) years of experience o Level 03 requires a minimum twelve (12) years of experience o Level 02 requires a minimum nine (09) years of experience o Level 01 requires a minimum six (06) years of experience Minimum of High School Diploma. The benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Dental insurance with 100% employer paid premium • Vision with 80% employer paid premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux, AWS, and NetApp training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc.
Linux Systems Administrator (RHEL) PeratonLinux Systems Administrator (RHEL)Chantilly, Virginia$135,000–$216,000 / yearFull timePeraton offers enhanced benefits to employees working on 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 eligible to participate in an attractive bonus plan. Strong, firsthand technical expertise in various Linux and RHEL configurations, deployment, and continuous integration technologies, with a proven ability to design and implement robust solutions that evolve alongside new development and meet the needs of end users.
Cloud Systems Administrator Sienna Systems CorporationCloud Systems AdministratorAlexandria, VA$127,500–$132,500 / yearDesign, deploy, and manage Active Directory including users, groups, systems, permissions and hierarchy, organizational units, and group policy objects; build and integrate AD Federation Services. Sienna Systems is seeking a capable Cloud Systems Administrator to join our Social Security Administration Special Notice Option (SNO) team in Alexandria, Virginia.
System Administrator (Remote) Terrestris Global SolutionsSystem Administrator (Remote)Washington, DCRemoteThis project will provide IT service desk, systems, network, and security operations support for Federal Prison Industries (UNICOR), supporting end users, Microsoft infrastructure, and mission-critical business systems in hybrid work environments. You will: Perform all duties assigned to Level I Technicians, including user workstation support for desktops, laptops, 10Zig zero clients, and mobile thin clients.
Microsoft SQL Server Database Administrator - TS/SCI FS Poly required EmtakMicrosoft SQL Server Database Administrator - TS/SCI FS Poly requiredAnnapolis Junction, MarylandWe are seeking a Microsoft SQL Server Database Administrator to join a small, highly skilled database administration team supporting Microsoft SQL Server environments across multiple networks and architectures. The ideal candidate is a self-motivated DBA who enjoys solving complex problems, learning new technologies, and finding ways to improve and automate database administration processes.
Systems Engineer Sr Principal Science Applications International CorpSystems Engineer Sr PrincipalChantilly, VA$160,001–$200,000 / yearDuties will include coordinating and managing end to end architecture by scheduling assets, configuring, maintaining, and troubleshooting networking equipment, servers and processing systems. Support development organization with the integration of network hardware, software, cybersecurity upgrades and recap efforts for networks and systems operating at various classification levels.
Network Administrator - Evening Shift Leidos Holdings IncNetwork Administrator - Evening ShiftArlington, VA$73,450–$132,775 / yearThis program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. 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.
Systems Administration - Cleared Contractor - L3 LancesoftSystems Administration - Cleared Contractor - L3Chantilly, VA$100,000–$120,000 / hourSupport RMF and cybersecurity activities in partnership with Cyber Engineering, including BOE development, implementation and maintenance of security controls, and system hardening in compliance with DoD, NIST, STIG, and Zero Trust Architecture (ZTA) requirements. •Apply basic network administration and troubleshooting skills using core networking concepts and protocols such as DNS, DHCP, TCP/IP, routing, switching, and HTTP.
Systems Administration Supervisor / Helpdesk Lead Peraton IncSystems Administration Supervisor / Helpdesk LeadChantilly, VA$112,000–$179,000 / yearPeraton is seeking a Systems Administration Supervisor to oversee the availability, security, and performance of mission-critical systems, while managing daily operations, staff development, and cross-team coordination. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
SharePoint Senior Administrator Leidos Holdings IncSharePoint Senior AdministratorAlexandria, VA$92,300–$166,850 / yearThe SharePoint Admin shall deploy, operate, and maintain SharePoint services, including load balancing, PKI authentication, and claims-based authentication as well as support site setup, permission management, troubleshooting, and service requests for customers as well as content and knowledge managers. The SharePoint System Administrator will support infrastructure services, operations, and maintenance across multiple enclaves of different classifications with remote administration for server farms located in centralized data centers.
Network Administrator 4 Delan Associates, IncNetwork Administrator 4Fairfax, VAThe Network Administrator installs, configures, and supports an organization's local area network (LAN), wide area network (WAN), and Internet system or a segment of a network system. Requires experience in the technical services and support fields as well as experience in network administration (DHCP, DNS, routers, firewall, etc.).
ServiceNow System Administrator Associates SystemsServiceNow System AdministratorAdelphi, MarylandActive DoD Secret Clearance Required- This is Remote with travel to customer for meetings quarterly Direct Hire Position All qualified resumes will be contacted within 24 hours QUALIFICATIONS - Bachelor's Degree in Computer Science or related field- At least (7-9) years of related experience.- Clearance Requirement: US Citizen with a DoD Secret clearance- SNOW Certified Application Developer- Any IAT Level III Certification: CASP+ or SECURITYX or CCNP Security or CISA or CISM or CISSP or GCED or GCIH . RESPONSIBILITIES This task includes, but is not limited to, the following activities: Support for Information Technology Service Management (ITSM) integration with ServiceNow development and implementation to meet the design specifications using best practice and out of the box functionality.
Network Administrator – Level 2 CACINetwork Administrator – Level 2Washington DcAs a Tier 2 Network Administrator, you'll be challenged with enterprise support problems where you will coordinate with the Network Operations Center and other Operational staff to address break fix, configuration update, schedule add moves and changes and technology upgrades and installs for Network routers and switches. 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.
NewNetwork Administrator Chenega CorporationNetwork AdministratorArlington, VAThe Network Administrator performs network configuration, troubleshooting, monitoring, and maintenance activities while supporting local area networks (LANs), wide area networks (WANs), cloud-connected environments, and network security initiatives. Working knowledge of TCP/IP, VLANs, VPNs, BGP, OSPF, EIGRP, MPLS, and enterprise networking concepts.
System Administrator 1 Avid Technology Professionals LLCSystem Administrator 1Annapolis Junction, MDSSP compliance and STE/STN support on Linux systems. Solid understanding of PKI/TLS/crypto including crypto policies.
Network Administrator, 3rd Shift Tetrad Digital Integrity LLCNetwork Administrator, 3rd ShiftArlington, VAThis program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Tetrad Digital Integrity (TDI) is a leading-edge cybersecurity firm with a mission to safeguard and protect our customers from increasing threats and vulnerabilities in this digital age.
Network Administrator - Evening Shift LeidosNetwork Administrator - Evening ShiftArlington, VirginiaSeptember 1, 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. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population.
Network Administrator - Night Shift LeidosNetwork Administrator - Night ShiftArlington, VirginiaAugust 28, 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. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population.
NewCloud/ System Administrator 1 Power3 SolutionsCloud/ System Administrator 1MarylandRequired Skills: Hands-on experience supporting IT infrastructure including server installation, rack/stack activities, cabling, hardware troubleshooting and system bring-up. Physical Requirements: This position requires the ability to lift, move and transport equipment weighing up to 50 pounds as part of routine system maintenance, server installations and hardware troubleshooting activities.