Systems Administrator, Senior in Fairfax, Virginia at Nationwide IT Services

Systems Administrator, Senior
2026-132
Clearance: Active Secret

Nationwide IT Services, NIS, is seeking a Senior Systems Administrator to ensure the stable operation of the Defense Logistics Agency’s (DLA) computer software systems and network connections.

Key responsibilities include:

• Planning, developing, installing, configuring, maintaining, supporting, and optimizing all network software and communication links.
• Analyze and resolve end-user software program and connectivity issues.
• Provides end-user training.
• Provides recommendations on technology direction to align with business vision.
• Will be required to provide both local and remote maintenance support to various operational systems deployed at more than one location.
• Support includes general maintenance, upgrades, and new installs of servers and applications.
• Applies advanced technical knowledge of application networking, including load-balancing applications, and ensures fault tolerance.
• Performs vulnerability management.
• This opportunity is Fully Remote – No On-site Requirement.

Minimum Experience:

• Seven (7) years of progressive experience in the field of Information Processing, six of which are specialized in numerous specialized Information Processing disciplines involving a range of hardware/software solutions, and four of which are concentrated, hands-on experience in installing, configuring, maintaining, and resolving issues with various software.
• Hands-on experience developing, maintaining, and resolving issues with applications using ColdFusion (2023/2025) and/or .NET 4.8 frameworks across both Linux and Windows server environments
• Experience developing executive-level presentations, working with, and presenting to senior management
• Experience using modern integrated development environments (IDEs), specifically Visual Studio and Visual Studio Code, for writing, testing, and debugging source code.
• Experience utilizing GitHub for version control, repository management, branch management, and collaborative code reviews.
• Experience writing clean, high-performance, hard-coded software solutions
• Demonstrates excellent interpersonal, customer service, and problem-solving skills
• Proven experience working as a systems administrator with expertise in implementing and/or administering Corporate Performance Management Platform.

Security/Certification Requirements:

• If job duty assignment requires “Privileged” access, must possess the following: Sensitivity Level: IT-II – Sensitive
• Clearance: Secret IA Level: IAT II
• 8570.01-M/8140 Baseline8140Baseline Certification to include application, data, database, utility, or software tools administration which require “Privileged Access”

Computing Environment Requirements:

• Microsoft Certified: Azure Administrator Associate

About NIS
Nationwide IT Services is an employee-focused Federal contractor delivering innovative IT and professional services solutions to DoD and Civilian agencies. We offer competitive compensation, comprehensive benefits, 401(k) with company match, generous PTO, education reimbursement, and a collaborative team environment.

Salary range: $130,000 to $160,000 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.