Senior IT System Administrator

Join to apply for the Senior IT System Administrator role at Tria Federal (Tria).

Who We Are

Tria Federal delivers digital services and technology solutions that support the health and safety of veterans, service members and civilians. For two decades, federal agencies have relied on Tria companies to advance their critical missions and modernize their systems, so that they can uphold their commitment to the American people. Today, we are pushing the boundaries of possibility through partnerships and investments in artificial intelligence and emerging technologies, developing solutions for the biggest challenges that will face government tomorrow.

Tria Federal is seeking an experienced Senior IT Systems Administrator to support day‑to‑day IT operations while serving as the on‑site IT authority for the Woodlawn, MD office. This role is responsible for managing service desk operations, mentoring junior IT staff, and ensuring reliable, secure, and efficient IT services.

The ideal candidate will have strong technical expertise, prior leadership experience in IT support or service desk operations, excellent customer service skills, and the ability to manage competing priorities in a fast‑paced environment. This position requires on‑site presence and will act as the primary point of contact for all local office IT needs. This role requires hands‑on experience with MacOS, Microsoft Windows, Microsoft 365, and Microsoft Azure / Entra , along with experience overseeing service desk workflows and supporting executive and end‑user needs.

• Associate’s degree in Applied Science (Computer/Network) or equivalent experience
• 6–8+ years of progressive IT support or systems administration experience
• Prior experience leading or managing a service desk or IT support function
• Ability to commute daily to the Woodlawn, MD office
• Strong experience supporting MacOS and Microsoft Windows environments
• Experience with Microsoft Azure / Entra  (Active Directory)
• Experience with Microsoft 365 Admin Center
• Working knowledge of Microsoft 365 applications including Outlook, Teams, SharePoint, One Drive, and Copilot
• Experience with IT asset management and inventory lifecycle tracking

• A+, Network+, Security+, or equivalent certifications preferred
• Experience using Fresh Service or similar IT Service Management (ITSM) platforms
  
  Strong leadership and mentoring capabilities
• Excellent time management and prioritization skills
• Professional, customer‑focused communication style
• Ability to work effectively with executives and senior leadership
• Experience supporting multi‑site office environments

• Serve as the primary on‑site IT lead for the Woodlawn office
• Oversee daily IT service desk operations, ensuring timely response, resolution, and service quality
• Act as the escalation point for complex or high‑impact IT issues
• Mentor and guide junior IT staff and support personnel
• Evaluate and improve service desk processes, workflows, and documentation
• Provide Tier 2 and Tier 3 technical support to end users
• Configure, deploy, and maintain computers, peripherals, and mobile devices
• Manage user accounts, permissions, licensing, and security settings in Azure / Entra  Microsoft 365
• Troubleshoot and resolve advanced hardware, software, and network issues
• Support remote offices using secure remote access tools
• Manage on‑site IT infrastructure and office technology needs
• Coordinate onboarding and offboarding technical support activities
• Maintain accurate IT asset inventory and lifecycle documentation
• Partner with Facilities, HR, and Security teams to support office IT requirements
• Ensure compliance with IT policies, procedures, and security standards
• Create and maintain SOPs, technical documentation, and knowledge base articles
• Communicate technical issues clearly to non‑technical users

Ability to pass a minimum background investigation

ON‑SITE SUPPORT AT OUR CORPORATE OFFICE in WOODLAWN, MD

What defines the Tria brand is more than just our dedication to excellence in our craft; it’s our incredible team of dedicated, talented, and passionate people that make Tria so exceptional. As people…