IT Systems Administrator Jobs in Mc Lean, VA

Transform engineering processes by leading the systems engineering function, aligning technical requirements with strategic objectives while ensuring seamless integration and testing throughout the sy...

Grow your career with hands-on management of unified communications and IT infrastructure, supporting vital services for over 120,000 users across diverse DoD sites. Drive collaboration and enhance pe...

Drive comprehensive cybersecurity compliance and assurance by leading Security Assessment and Authorization efforts, coordinating across teams to ensure continuous monitoring, risk management, and eff...

Lead vital Information Systems Security initiatives, ensuring compliance with federal cybersecurity standards. Collaborate across teams to manage authorization processes, document security controls, a...

Lead the charge in directing field operations and ensuring project success. Oversee subcontractor coordination, safety compliance, and quality control for large-scale projects while fostering a safe a...

Empower critical IT operations by leveraging Linux expertise to optimize system performance, security, and reliability. Collaborate with cross-functional teams to enhance infrastructure capabilities a...

Lead cybersecurity initiatives by executing Risk Management Framework activities and continuous monitoring in a classified environment, ensuring compliance and operational security for multiple system...

Empower your career by leading IT strategies and compliance initiatives. Join us in shaping enterprise technology solutions, from security compliance to infrastructure modernization, ensuring seamless...

Parsons is seeking an Information Systems Auditor to conduct comprehensive assessments of critical U.S. Air Force mission systems and infrastructures. This role involves performing technical cyber and...

Parsons is seeking an Information Systems Auditor to conduct comprehensive assessments of critical U.S. Air Force mission systems and infrastructures. This role involves performing technical cyber and...

Join as a Power Platform Specialist to design, implement, and manage solutions using Microsoft Power Platform and SharePoint Online, enhancing business processes and driving automation initiatives acr...

Join a team that's driving Active Directory transformation through innovative identity solutions. Support critical cloud initiatives and leverage your expertise in Microsoft Entra ID and Microsoft 365...

Join a team that's dedicated to enhancing cybersecurity through comprehensive risk management and incident response. Provide expert support in technical leadership, cybersecurity strategy, and ensure...

Join a team that designs and manages the Atlassian ecosystem, enhancing processes for operational excellence in warfighting data. Ensure workflows support Agile delivery, quality control, and effectiv...

Champion the design and sustainment of the Atlassian ecosystem, ensuring effective workflow management, quality assurance, and integration to enhance operational excellence within the Department of Wa...

Deliver systems engineering expertise by ensuring clear communication and security alignment across teams. Lead complex engineering efforts while collaborating on cloud migration and delivering high-q...

Engineer innovative IT solutions that enhance system performance and reliability. Join a team dedicated to maintaining server health, ensuring cybersecurity compliance, and supporting mission-critical...

Support cloud initiatives as a Linux SME, ensuring security compliance and operational availability. Collaborate on troubleshooting, develop documentation, and communicate operational issues to enhanc...

Unlock your potential as a mid-level expert in cybersecurity, designing and implementing robust security systems to protect vital information throughout its lifecycle while adapting to evolving threat...

Explore your career as a System Administrator where you'll manage complex virtual infrastructures, ensuring optimal performance of systems and networks while collaborating within a dedicated team to e...

Elevate asset management by leading modernization initiatives in Federal IT, enhancing compliance, and driving operational efficiency across hardware and software lifecycle management...

Elevate your career by overseeing IT security compliance and strategy. As an expert in information security, you'll conduct risk assessments and develop security protocols to protect systems, ensuring...

Drive system enhancements and user satisfaction by collaborating with teams to improve PMWeb’s performance and streamline processes while ensuring effective training and support for stakeholders and e...

Join our team to enhance enterprise network operations, ensuring secure connectivity and optimal performance across a vast infrastructure supporting critical missions. Your expertise will contribute t...

Develop and maintain security protocols for complex information systems, ensuring compliance with cybersecurity regulations. Engage with key stakeholders to protect high-impact environments and suppor...