Program Overview
The Army National Guard (ARNG) Enterprise Network Operations and Cybersecurity Support (ENOCS) program delivers comprehensive enterprise IT infrastructure, WAN, cybersecurity, and associated services to the ARNG and its mission partners. The program supports more than 120,000 users and 141,000 endpoints across approximately 2,800 sites spanning 54 states and territories, enabling Title 10 and Title 32 missions, domestic emergency response operations, mobilization readiness, and classified SIPRNet operations.
Task 2 — Enterprise Applications Support — delivers engineering, operations, and sustainment of enterprise software applications and IT capabilities supporting more than 120,000 users and 141,000 endpoints across approximately 2,800 ARNG sites nationwide. This task area ensures mission-critical applications remain current, secure, and aligned with evolving ARNG requirements by integrating innovation, emerging technologies, and continuous improvement practices into application lifecycle management.
ECS is seeking a System Administrator - Junior to support the Army National Guard's ENOCS program in enhancing the operational efficiency and security of its IT infrastructure in Fairfax, VA The selected candidate will assist in maintaining server health, deploying patches, and provisioning user accounts under the guidance of senior administrators. This role is pivotal in ensuring system stability and compliance, contributing to the overall mission readiness of the ARNG's enterprise IT environment.
Please Note: This position is contingent upon contract award.
Responsibilities
Qualifications
Required Qualifications

ECS is a fast-growing 4,000-person, $1.2B provider of advanced technology solutions for federal civilian, defense, intelligence, and commercial customers. We tackle complex client challenges with smart, scalable solutions in data and AI, cybersecurity, and digital transformation. Our collective work empowers customers’ missions, strengthens our partners, inspires our employees, and grows our company.
To achieve our purpose — to tackle the missions that matter most and create a lasting impact on our customers, employees, and community — we are committed to excellence in growth, customer delivery, technology innovation, and employee engagement.
We believe in:
• Attracting, developing, and retaining top talent
• Building high-performing teams
• Creating an engaging employee environment
• Acting with social responsibility
• Having a positive impact on our community
Our core values: Excellence, Drive, Grit, and Community. We keep these values at the heart of all we do. We’re looking for driven individuals who want to solve meaningful challenges and help shape the future of national security and public service. If you’re ready to make a difference, you’ll find your team here.