IT Systems Administrator Jobs in Reston, VA

Drive the success of complex IT programs while managing a large team and ensuring cybersecurity objectives are met through exceptional communication and client engagement at all levels...

Join a team that's dedicated to delivering innovative Network Engineering solutions. Leverage your extensive configuration experience with Cisco and Arista to enhance operational systems while support...

Join a team that's committed to enhancing cybersecurity compliance for sensitive engineering programs. This role requires hands-on execution and oversight to ensure the highest compliance standards us...

The DHS Information System Security Officer II is responsible for developing and maintaining security policies and procedures for DHS IT systems, overseeing security assessments, and leading incident...

Drive secure network innovation in a dynamic environment, managing complex infrastructures across multiple security domains. Support mission-critical operations and collaborate with stakeholders to en...

Shape the future of secure networking by designing and maintaining cutting-edge infrastructures for classified environments, ensuring operational excellence across diverse platforms and technologies w...

Lead the charge in optimizing and securing network infrastructure operations within data centers, troubleshooting complex issues, and ensuring compliance with federal standards while mentoring junior...

Lead the development of a secure data ecosystem that aligns with strategic goals. Collaborate across teams to optimize data capabilities, ensuring quality and efficiency in deploying cutting-edge solu...

Take ownership of a key engineering role in establishing and integrating a spectral exploitation environment, collaborating closely with diverse teams to support complex imagery and spectral analysis...

Engage stakeholders, analyze complex requirements, and mentor teams to drive process optimization and deliver innovative business solutions using advanced tools and technologies...

Transform complex military operational requirements into effective systems by applying advanced engineering principles, leading strategic projects, and mentoring teams to ensure optimal system design...

Deliver strategic leadership as a senior systems engineer in C4I/IAMD, enhancing coalition interoperability and integrated defense capabilities through collaboration with international partners and se...

Engage as a senior expert in C4I/IAMD systems, driving coalition interoperability and defense capabilities through collaboration with senior DAF officials and international partners, while delivering...

Architect the future of air and missile defense by leading strategic integration of C4I systems, engaging with international partners, and delivering expert guidance to enhance coalition interoperabil...

Lead the charge in advanced epidemiological research, driving methodologies and findings to improve health outcomes in worker populations, while managing project teams and liaising with key stakeholde...

Drive software deployment initiatives by leading planning, release coordination, and production cutover activities. Collaborate with teams to ensure compliance with cybersecurity requirements and main...

Accelerate your career by leading a talented team of presales systems engineers, supporting key Federal sales initiatives and driving impactful strategies within the Department of Defense sector. This...

Join a team that's dedicated to ensuring seamless IT operations through expert oversight and incident management, driving continuous improvement in a fast-paced, critical environment while maintaining...

Transform data management by architecting robust systems for the U.S. Navy's operational data needs. This role focuses on integration, analytics, and decision support systems, ensuring operational exc...

Empower classified systems administration by providing vital IT support, ensuring operational integrity and security across diverse platforms while enhancing communication of complex technical concept...

Unlock potential by leading a dynamic DevOps team while driving innovative cloud application development and infrastructure management, ensuring scalable and reliable solutions to meet business needs...

Lead the charge in systems engineering by applying your expertise across the full life cycle. Collaborate with stakeholders to refine requirements and produce essential documentation while fostering r...

Explore cutting-edge geospatial intelligence solutions by supporting vital engineering efforts across National and Allied systems. Drive modernization and integration while leading strategic initiativ...

Drive system performance and reliability by optimizing software installations, resolving complex technical challenges, and enhancing security to support organizational infrastructure and data integrit...

Drive enterprise innovation by developing secure, scalable applications using Microsoft Power Platform, enhancing SharePoint solutions, and optimizing workflows while ensuring compliance with best pra...