System Administrator
Location: Fort Belvoir, VA
Security Clearance: Active Secret Security Clearance Position Overview
Nationwide IT Services (NIS) is seeking an experienced System Administrator to support a Department of Defense customer at Fort Belvoir, VA. This position is responsible for ensuring the reliability, security, and performance of enterprise servers, network infrastructure, and mission-critical systems across multiple operational locations.
The ideal candidate will have extensive experience administering Windows and/or Linux environments, maintaining secure enterprise networks, automating system administration tasks, and providing advanced technical support. This role works closely with network engineers, cybersecurity personnel, and other IT professionals to deliver a stable, highly available infrastructure that supports critical DoD operations. Key Responsibilities
- Install, configure, administer, and maintain enterprise servers, operating systems, and network software.
- Plan, implement, and optimize system configurations to maximize performance, reliability, and availability.
- Support server installations, upgrades, migrations, and maintenance activities across multiple locations.
- Monitor system health, troubleshoot performance issues, and resolve complex technical problems.
- Manage application networking, load balancing, and fault-tolerant system configurations.
- Perform vulnerability management activities, including identifying, analyzing, and remediating security vulnerabilities.
- Conduct system capacity planning and performance analysis, recommending hardware and software upgrades as needed.
- Develop and maintain automation scripts and tools to improve operational efficiency and standardize administrative processes.
- Create and maintain system administration procedures, technical documentation, and operational standards.
- Provide technical leadership and guidance to junior system administrators and support personnel.
- Support end users by resolving advanced software, hardware, and connectivity issues while providing technical guidance and training.
- Collaborate with network, cybersecurity, and application teams to ensure secure, reliable enterprise operations.
- Support infrastructure, modernization initiatives and evolving mission requirements.
- Bachelor’s degree in information technology, Computer Science, Engineering, or a related technical discipline.
- Seven (7) to ten (10) years of experience administering enterprise Windows and/or Linux server environments.
- Active Secret Security Clearance .
- Current CompTIA Security+ certification (preferred), or Network+ or Certified Network Defender (CND) certification.
- Experience administering enterprise servers, networking, and operating system environments.
- Experience performing vulnerability management, system hardening, and security best practices.
- Strong troubleshooting and analytical skills with the ability to resolve complex infrastructure issues.
- Experience supporting Department of Defense or other Federal Government enterprise environments.
- Experience with enterprise networking, load balancing, and high-availability system architectures.
- Knowledge of virtualization technologies, enterprise storage, and backup solutions.
- Experience with scripting and automation tools such as PowerShell, Bash, or Python.
- Familiarity with Microsoft Active Directory, Group Policy, DNS, DHCP, and enterprise server technologies.
- Experience supporting data center operations and infrastructure modernization efforts.
- Excellent communication skills with the ability to work effectively across cross-functional technical teams.
Nationwide IT Services is committed to delivering innovative technology solutions that support our nation's critical missions. As part of our team, you'll work alongside experienced IT professionals supporting secure enterprise infrastructure for the Department of Defense. We offer a collaborative environment, opportunities for professional growth, and the chance to make a meaningful impact supporting our nation's warfighters.
Salary range: $78,000 to $110,000 annually
The salary range is a general guideline. We consider several factors when determining base salary offers, including the position's scope and responsibilities, the candidate's experience, education, and skills, and current market conditions.
Recommended Jobs
Parts and Maintenance Customer Service Representative
Position: Parts and Maintenance Customer Service Representative Type: Full-time Location: Joint Expeditionary Base Little Creek – Fort Story, Virginia Beach, Virginia Travel: 10% *…
Embeded Engineer
Company Introduction We are a leading Government Contracting and Professional Services organization dedicated to delivering mission-critical solutions across federal agencies and defense sectors. …
HVAC Installer
Job Description Job Description Description: HVAC Installer Responsibilities Perform installation of HVAC related equipment following company policies and manufacturer’s specifications Car…
Donor Family Advocate
AT LIFENET HEALTH, YOU ARE THE ADVANTAGE Every day, YOU help us to save lives, restore health, and bring hope to patients and families around the world. At LifeNet Health, we cultivate growth, inno…
Autonomy System Architect
The Autonomy System Architect manages and conducts development work associated with research, development, deployment and maintenance of the hardware system architecture of Liebherr autonomous mining…
Dealer Success Manager Coach
Overview Dealer Success Manager Coach As a Dealer Success Manager People Leader with Capital One Auto, you’ll have an amazing opportunity to train, coach, motivate, share winning best practi…
Door Panel Layup Technician
Door Panel Layup Technician Shift & Pay: 2nd shift, Monday–Friday, 3:00 p.m.–1:30 a.m.; $17–$20 per hour plus a $2 shift differential. A day in the life You clock in for second shift and pu…
Hospitalist Nurse Practitioner / Physician Assistant
We are hiring a PA or NP to join a growing hospital medicine advanced practice provider (APP) team. The APP hired for this position will join a collaborative team of physicians, other APPs, and speci…
Medical Director - Primary Care & Community Health
Job Description Job Description Medical Director – Primary Care & Community Health Family Medicine or Internal Medicine Lead clinical excellence while shaping the future of community heal…