UNKNOWN

FEED

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. Manage a highly available, scalable, and automated environments, ensuring developers have the secure access, CI/CD tools, and computing resources they need to build, test, and deploy code efficiently.

<span itemprop="name">CACI</span> provides information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. A member of the Fortune 1000 Largest Companies, the Russell 2000 Index, and the S&amp;P SmallCap 600 Index, CACI provides dynamic careers for over 15,800 employees working in over 120 offices worldwide. Visit <a href="http://www.caci.com" target="_blank" itemprop="url" mns_rt="Company">www.caci.com</a>.<br/>
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      We strive to sustain a corporate culture based on integrity - one that's focused on treating customers ethically and making their priorities our priorities. We pride ourselves in finding and hiring people with the highest intellectual capital, and providing them with challenging opportunities and encouraging their innovation and initiative.

CACI

Infrastructure/System Administrator SME

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.

DevSecOps Systems Administrator

SAIC is seeking a Linux Systems Engineer capable of working with contractors, government personnel, and subject matter experts focusing on creating and recognizing targeting opportunities and strategies in the cyber-realm. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.

YEAR

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Science Applications International Corp

Linux Systems Engineer

The successful candidate will be responsible for maintaining a Red Hat Enterprise Linux infrastructure that will support multiple network enclaves; providing support for monthly vulnerability and compliance scanning across all enclaves; establishing new baseline systems for approved projects and providing Tier 3 support for escalated technical issues. In FY23 Leidos was awarded the Homeland Enterprise Information Technology Secure Services and Support (HEITS) follow-on contract to support and enhance the DHS networks, Homeland Secure Data Network (HSDN) and the Classified-Local Area Network (C-LAN).

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Linux Engineer

The Digital Modernization Sector at Leidos is seeking a dynamic Sr Linux Systems Administrator to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area. July 21, 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 Linux Systems Admin (UiPath)

IRecruitee

The Navy Integrated Training Environment (NITE) Network Administrator is responsible for the administration, maintenance, and cybersecurity defense of the Navy Enterprise Tactical Training Network (NETTN) infrastructure, with a strong emphasis on Microsoft Windows Server environments and VMware virtualization platforms supporting enterprise-wide modeling and simulation systems. Core responsibilities include VMware ESXi and vCenter management, Windows Server administration, Group Policy creation and management, DHCP configuration, and implementing system hardening and patching in accordance with DoD Security Technical Implementation Guides (STIGs).

Huntington Ingalls Industries is America’s largest military shipbuilding company and a provider of professional services to partners in government and industry. For more than a century, HII’s Newport News and Ingalls shipbuilding divisions in Virginia and Mississippi have built more ships in more ship classes than any other U.S. naval shipbuilder. HII’s Technical Solutions division provides a wide range of professional services through its Fleet Support, Integrated Missions Solutions, Nuclear & Environmental, and Oil & Gas groups. Headquartered in Newport News, Virginia, HII employs nearly 37,000 people operating both domestically and internationally.

Huntington Ingalls Industries Inc

Windows/VMWare Systems Administrator (Systems Administrator 4)

OTHER

ZipStaff is seeking a Senior Oracle DBA with deep Oracle GoldenGate experience to support mission-critical databases for a global technology services engagement. ZipStaff partners with leading organizations to connect skilled database professionals with high-impact contract opportunities.

ZipStaff Inc.

Senior Oracle DBA

Betterteam

Apply broad platform expertise, sound security judgment, and collaborative leadership to keep complex systems resilient and mission-ready. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Dezign Concepts LLC

Oracle Administrator

ea_via_bold

This role requires a professional who is equally comfortable managing Windows-based infrastructure, supporting Linux systems, and implementing modern DevOps practices to improve system reliability, scalability, and operational efficiency. Credence has an immediate openiing for a highly skilled Senior Cloud Systems Administrator to support the Enterprise Sourcing, Medical and Contingency (ESMC) Portfolio Hosting Support Contract.

Credence

Senior Cloud Systems Administrator

Workable

Services shall include, but are not limited to, technical assistance for hardware, software, and network issues; incident and problem resolution; service request management; infrastructure monitoring and support; hardware and software lifecycle support; and management of escalation across all tiers. Certifications: Palo Alto Networks Certified Network Security Engineer (PCNSE) Cisco Certified Network Professional – Security (CCNP Security) Fortinet NSE 4–7 CompTIA Security+ / CySA+ / CASP+ Certified Information Systems Security Professional (CISSP) or equivalent.

Systems Engineering Solutions Corporation

Senior Firewall Administrator

In this role, you'll work hands‑on with a broad range of database technologies-including Oracle, SQL Server, PostgreSQL, MySQL, and modern NoSQL platforms-while supporting key enterprise applications such as Momentum and PeopleSoft. 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.

CACI International Inc.

Database Administrator

Job Title: Infrastructure/System Administrator LeadJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * * The Opportunity: Are you ready to shape the future of intelligence systems? 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.

Infrastructure/System Administrator Lead

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. Manage a highly available, scalable, and automated environments, ensuring developers have the secure access, CI/CD tools, and computing resources they need to build, test, and deploy code efficiently.

Senior Infrastructure/System Administrator

In recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. B&A is proud to offer three robust individual and family medical plans to full time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance.

Bart & Associates

Zp Group Llc

Junior Systems Administrator - 1741

Our commitment to quality and performance optimization is the reason why our IT Service Projects and New Development Projects have been appraised at CMMI Maturity Level 5, positioning us as one of a handful of elite companies to receive the highest form of third-party validation. Summary: The Junior Systems Administrator provides day-to-day support, maintenance, and monitoring of organizational IT systems and infrastructure under the guidance of senior technical staff.

ValidaTek

Junior Systems Administrator

FULL_TIME

Compute & Virtualization Engineering: Advanced proficiency (3+ years) managing Cisco UCS server profiles, templates, and VMware vSphere/VCF architectures (vSAN, NSX, and software-defined data centers). Responsibilities: The Compute/Commvault Administrator serves as a proactive technical problem-solver and system safeguard, responsible for core data protection architecture, hyperconverged compute infrastructure engineering, and strict federal security compliance.

Govcio LLC

Compute / Commvault Administrator

[AW]-iCims

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. Job Title: Cloud Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: Top SecretEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * The Opportunity:

Cloud Systems Administrator

ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. In this role, you’ll perform routine operational activities including certificate issuance and renewal, account and access support, system health monitoring, patching, configuration management, incident response support, and lifecycle maintenance for IAM and PKI platforms.

ENS Solutions, LLC

PKI Operations Administrator- Active Ts/Sci With CI Poly

Responsibilities: of the Cloud Support Administrator: · Complete incoming tickets through Remedy, ServiceNow or other ticketing system · Troubleshoot and resolve system issues utilizing customer tools · Document all findings from tickets and incidents • Automate and troubleshoot tasks using various scripting languages and services · Provide end-user support to customers at the Tier I-III level in cloud based environments Qualifications: of the Cloud Support Administrator: • Must hold an active TS/SCI Full Scope Polygraph clearance (MPO) • Must be willing to work one shift, no dual employment • Certifications: IAT II, AZ900 or similar cloud certification (highly preferred) • Willingness to shift work, as 24/7 support is essential • Excellent customer service skills and focus.

Linux Administrator Jobs in Virginia

Infrastructure/System Administrator SME CACI

DevSecOps Systems Administrator CACI

Linux Systems Engineer Science Applications International Corp

Linux Engineer Leidos

Senior Linux Systems Admin (UiPath) Leidos

Windows/VMWare Systems Administrator (Systems Administrator 4) Huntington Ingalls Industries Inc

Senior Oracle DBA ZipStaff Inc.

Oracle Administrator Dezign Concepts LLC

Senior Cloud Systems Administrator Credence

Senior Firewall Administrator Systems Engineering Solutions Corporation

Database Administrator CACI International Inc.

Infrastructure/System Administrator Lead CACI

Senior Infrastructure/System Administrator CACI International Inc.

Database Administrator Bart & Associates

Junior Systems Administrator - 1741 Zp Group Llc

Junior Systems Administrator ValidaTek

Compute / Commvault Administrator Govcio LLC

Cloud Systems Administrator CACI

PKI Operations Administrator- Active Ts/Sci With CI Poly ENS Solutions, LLC

Cloud Support Administrator (TS/SCI Zp Group Llc

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