Senior Network and Computer System Administrator

Senior Network and Computer System Administrator

Washington, D.C.

Senior Network and Computer System Administrator #1010

Full‑time, 5‑day‑a‑week, onsite position based in Washington, D.C.

Clearance:
Active Secret (or above)

Network and Computer System Administrator – Senior

Dev Technology Group is hiring a Senior Network and Computer System Administrator to support a high‑performing team responsible for the design, implementation, and maintenance of complex IT infrastructure in support of a government customer. We are looking for a detail‑oriented and proactive administrator with deep technical knowledge of network environments and a strong commitment to maintaining system security, reliability, and performance.

The ideal candidate thrives in a dynamic environment, communicates clearly, and brings a collaborative spirit to problem‑solving and system improvement.

You will be responsible for administering and maintaining LAN/WAN environments, supporting both physical and virtual infrastructures, and managing network components including servers, workstations, routers, switches, and security systems. You will support secure user access, ensure consistent network availability, and troubleshoot performance issues. You’ll work closely with internal teams and vendors, create network documentation, monitor systems, and maintain compliance with federal IT security standards and best practices.

This role requires strong technical troubleshooting skills, a customer‑focused mindset, and the ability to manage tasks independently.

• Associate degree in Information Technology, Network Engineering, or related field; equivalent experience considered.
• 4 to 8 years of experience administering complex and mixed network environments.
• Experience configuring and maintaining servers, workstations, switches, routers, hubs, and communications infrastructure.
• Experience managing Microsoft Active Directory and administering user accounts, passwords, and email systems.
• Experience implementing and enforcing security policies following government and industry best practices.
• Proficiency in maintaining virtual environments and working with virtual servers.
• Experience generating monitoring logs and reports, and ensuring functionality and uptime of server links.
• Experience documenting network topologies and supporting configuration management.
• Experience working with vendor support and internal IT teams to resolve outages and performance issues.
• Excellent written, verbal, and interpersonal communication skills.
• Self‑starter with strong organizational skills and the ability to manage multiple tasks independently.

• Microsoft Certified Systems Engineer (MCSE) or equivalent experience.
• Microsoft Certified Professional (MCP) or equivalent experience.

• Security+ and A+ certifications.
• Experience in network engineering and support for federal government projects.
• Experience supporting cloud‑based or hybrid network environments.

• Must possess an active Secret clearance (or above).
• Must be able to work onsite Monday through Friday in Washington, D.C.

Dev Technology is a growing IT company with an employee‑centric culture that works on mission‑critical projects for the federal government. We partner with our federal customers to deliver technology services and solutions, and to drive our client’s missions forward through innovation. We use Agile and Dev Sec Ops  principles to provide services including application development, biometrics and identity management, cloud and infrastructure optimization, IT and legacy modernization, and data management.

As a Washington Post Top Workplace award winner for the past TWELVE years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy:

• Generous and flexible time‑off policy.
• Flexible work schedules and telework options, including remote work availability for eligible projects.
• Career development opportunities including a mentorship program, technical and management training through Dev University, hands‑on learning through Dev Lab, tuition reimbursement, and paid training opportunities.
• Industry‑leading benefits including a choice of two health plans that include dental and vision, flexible spending account, commuter benefits, life insurance, and more.
• 401K matching with a 5% matching contribution.
• Regular team and company social events including our annual party, happy hours, fitness challenges, and more.
• A focus on community engagement including company‑wide support activities, employer match for donations, and time off for volunteer efforts.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans