June 4, 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.
Leidos Digital Modernization is seeking a skilled SCCM/Windows Systems Administrator to support the Defense Intelligence Agency (DIA) National Digital Exploitation & OSINT Center (NDOC) IT Operations and Maintenance (O&M) program.
p>Since 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software, hardware, communications and security, and leveraging decades of operational experience to deliver exceptional value to communities and the critical missions they support. Provide technical configuration, setup, installation services, hardware and coordination for application projects and install security updates and patches.
McLean, Virginia8 days ago
As the Senior Systems Administrator, you will monitor and maintain corporate communication systems related to email and messaging; troubleshoot hardware, software, and network problems pertaining to the operation of Microsoft Exchange Servers in a Windows Active Directory environment; and oversee the status of issues related to messaging systems with the corporation and ensure that issues are resolved, documented, and closed in a timely manner. Typical office environment with no unusual hazards, occasional lifting to 20 pounds, constant sitting while using the computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, and constant mental alertness; must possess planning/organizing skills and be able to work under deadlines.
As the Senior Systems Administrator, you will monitor and maintain corporate communication systems related to email and messaging; troubleshoot hardware, software, and network problems pertaining to the operation of Microsoft Exchange Servers in a Windows Active Directory environment; and oversee the status of issues related to messaging systems with the corporation and ensure that issues are resolved, documented, and closed in a timely manner. Work Environment, Physical Demands, and Mental Demands: Typical office environment with no unusual hazards, occasional lifting to 20 pounds, constant sitting while using the computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, and constant mental alertness; must possess planning/organizing skills and be able to work under deadlines.
Arlington, Virginia1 day ago
ul style="margin: 0px; padding: 0px; font-family: verdana;">Coordinates with OMC IT leadership and JSP to resolve complex infrastructure incidents; independently determines escalation paths and corrective actions for the most complex OMC IT issues. . - Leads O&M support for NIPRNET, SIPRNET, and JWICS system infrastructure (~400 users) and SAP domain, storage, SQL database, workstation, and printer infrastructure (~150 users); administers and maintains Microsoft Active Directory and GPOs. .
p>The Systems Administrator will manage and troubleshoot enterprise networks, servers, virtual environments, and security configurations while collaborating on the design and maintenance of the CALEA Continuity of Operations (COOP) site in Scottsdale, AZ. Clearance: Must be able to obtain and maintain DHS/ICE Fitness Determination (Public Trust), including favorable preliminary Fitness and full NBIS eAPP investigation (SF-85P, OF-306, SSA-89, fingerprints, PREA questionnaire if required).
Request and Reporting System requests; verify accesses; obtain approvals, and serve as a liaison between users and other support offices to resolve/fulfill IT and access administration problems/requirements). Coordinate projects with appropriate service proviclers and customers, identify/resolve project issues, and keep customers/project team members informed of projects' statuses.
Germantown, MD11 days ago
p>Description: Based on-site in Germantown, Maryland, the IT Systems Administrator will support and maintain the organization''s core IT infrastructure, including Hybrid Azure AD (Entra ID), Microsoft 365 GCC High, Windows Server environments, endpoint management platforms, virtualization technologies, and secure network services. This position manages hybrid identity services, Microsoft 365 GCC High, Windows infrastructure, virtualization platforms, cybersecurity controls, and network services while ensuring alignment with CMMC Level 2 and NIST SP 800-171 requirements.
div> Overview: We are seeking a Systems Administrator to join our Task Order proposal on the Defense Intelligence Agency’s Solutions for the Information Technology Enterprise III (SITE III). The Systems Administrator maintains smooth operation of multi-user computer systems, including coordination with network engineers. One of the following DoD 8570/CS-NET-451 certifications is required:
p>Basic Qualifications: - Principal: Bachelor's degree in information technology, Computer Science, or related field with 5 years of IT experience; Master's degree with 3 years of IT experience; Associate degree with 7 years of IT experience; OR a HS Diploma / GED with 9 years of IT experience is required.
- Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management.
The Technical Development Team will work closely with functional resources, solution developers, database administrators, information assurance specialists and configuration change management resources to perform analysis, design and development, testing, and deployment of changes to existing software as well as new solutions for the customer. 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.
Chantilly, VA30+ days ago
In addition to maintaining a private Customer Cloud, candidates should expect to gain experience in new administration technologies; tackle individual and group projects; work closely with other IT professionals; and participate in a growing ever-changing mission. By providing the information below and checking the boxes referenced, you acknowledge and consent to SAIC''s Privacy Policy to include access and use of your information for the purposes of sharing your information for possible employment recruitment effects by SAIC and it''s third party vendors.
Reston, Virginia18 days ago
The Technical Development Team will work closely with functional resources, solution developers, database administrators, information assurance specialists and configuration change management resources to perform analysis, design and development, testing, and deployment of changes to existing software as well as new solutions for the customer. We value team members who strive to produce high quality work through collaboration with team members and customers while making a difference through individual contributions to ensure project success for our team and our customers.
Springfield, VA30+ days ago
Certifications (CWF Requirements): Candidates must satisfy Cybersecurity Workforce Framework (CWF) ID 451 (System Administrator - Intermediate Level) requirements, as outlined by Navy COOL. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.
Configure and manage UNIX and Windows operating systems and install loads operating system software, troubleshoots, maintain integrity, and configure network components along with implementing operating systems enhancements to improve reliability and performance. Javelin Compensation Details: $160,000 - $175,000 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued.
Herndon, Virginia30+ days ago
p style="margin:0px">Peraton 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. Systems Administrator IV supports ongoing Authorization to Operate (ATO) activities by maintaining system security posture, generating technical artifacts, and implementing approved security controls under the direction of Information System Security Officers (ISSOs), System Engineers, and audit leads or audit SMEs.
Upper Marlboro, MD30+ days ago
p>Job Duties: Work in tandem with the IDSL Cloud Security Administrator, Corporate Cyber Team, and customer security representatives, to maintain cloud system configurations, security strategies, policies, and procedures in support of Approval to Operate (ATO) certifications and the Confidentiality, Integrity and Availability (CIA) triad. These in-house developed, high availability environments are leveraged by the IDSL team in the evaluation of emerging hardware and software technologies designed to improve the efficiency, effectiveness, and satisfaction of travel and trade processes used by our customers.
Rockville, Maryland30+ days ago
ul>Senior Windows 2022 / 2019/2016 administrator responsible for server administrations, installation and maintenance services for 100 physical and virtual servers in a Microsoft Active Directory environment. The salary range displayed is an estimate only and is not a guarantee of compensation or salary and will be determined on several factors regarding the individual’s particular combination of education, knowledge, skills, competencies and experience, as well as contract parameters and organizational requirements.