Systems Administrator

Maveris is an IT and Cybersecurity services company committed to helping organizations create secure digital solutions to accelerate their mission. Originally founded as a Veteran-owned company, we remain deeply committed to supporting veterans and proudly serving customers across the Federal Government and private sector. We have an opening for a full-time, Windows System Engineer to join our talented, dynamic team.

Title :   Systems Administrator

Location :   Lorton, VA - Hybrid (3 days on-site)

Terms :  Full-time

Clearance :   Able to obtain a Public Trust (US Citizenship required)

Travel :   Occasional

Role Overview

Maveris is seeking a highly skilled  Systems Administrator  to support DHS ICE Homeland Security Investigations (HSI) Title III and Linguists Unit (T3LU) under the CALEA program. This role provides advanced technical leadership and mission-critical support for secure law-enforcement systems operating 24 / 7 across multiple locations.

The Systems Administrator will manage and troubleshoot enterprise networks, servers, virtual environments, and security configurations while collaborating on the design and maintenance of the CALEA  Continuity of Operations (COOP)  site in Scottsdale, AZ. A shared responsibility among Maveris, government, and vendor partners.

This position supports DHS’s mission while contributing to Maveris’ overarching goals : delivering premier technology services, driving mission-focused innovation, sustaining organizational excellence, and being an employer of choice for skilled professionals.

Responsibilities

• Install, configure, administer, and maintain CALEA LAN / WAN infrastructure, servers, SANs, and network devices.
• Administer  Active Directory (AD) , including :
• Promoting / demoting domain controllers
• Troubleshooting  DNS  and  DHCP  issues
• Managing  GPO hierarchy and execution
• Writing and maintaining  PowerShell / Bash scripts  for automation
• Analyzing event logs and Windows system errors
• Plan, deploy, and maintain  COOP and DR capabilities  in coordination with the Government and vendor partners, ensuring redundancy and failover readiness.
• Patch and update servers and workstations; ensure security baseline compliance with DHS and FISMA standards.
• Apply and troubleshoot security hardening requirements and vulnerability remediation; support the ATO process and collaborate with the ISSO to resolve findings.
• Administer virtualization and storage platforms, including :
• VMware ESXi / vCenter  – patching, updates, capacity planning, troubleshooting
• Nutanix  – cluster management and maintenance
• NetApp  – SAN / NAS configuration and data management
• Assist with  Palo Alto firewall  deployment and rule migration (from Cisco ASA 5506) to support network segmentation and high availability.
• Configure and troubleshoot Cisco and Dell switches; support VPN tunnels and IP transition projects (copper to fiber).
• Support  lab environment setup and testing  for patch validation and COOP simulation.
• Perform hardware replacement (hard drives, memory modules, power supplies, etc.).
• Maintain technical documentation, diagrams, and SOPs in CALEA repositories.
• Liaise with Harmonia and ICE technical leads to coordinate troubleshooting and mission support.

Requirements

Preferred Qualifications

Soft Skills

Physical Demands / Work Environment