CyberSecurity/SysAdmin

Revolutional delivers advanced technology solutions and mission support to federal agencies across civilian, health, and national security environments. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.

We are redefining how federal technology gets built and delivered by operating with a product mindset, prioritizing speed, ownership, and execution over bureaucracy.

Title: SME Systems Administrator

Citizen (required for access to DHS IT systems)

Clearance: Must be able to obtain and maintain DHS/ICE Fitness Determination (Public Trust), including favorable preliminary Fitness and full NBIS eAPP investigation (SF-85P, OF-306, SSA-89, fingerprints, PREA questionnaire if required)

Schedule: Full-time; 8-hour workdays with on-call support as needed.

Hybrid Work: Lorton, VA roles may telework up to 2 days per week; Travel: Occasional CONUS travel; local travel within 50 miles is not reimbursable

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

Install, configure, administer, and maintain CALEA LAN/WAN infrastructure, servers, SANs, and network devices.

Writing and maintaining PowerShell/Bash scripts for automation

Analyzing event logs and Windows system errors

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

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.

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.).

Liaise with Harmonia and ICE technical leads to coordinate troubleshooting and mission support.

Bachelor’s degree in IT, Engineering, or related field OR +5 years equivalent experience.

10+ years enterprise IT systems/network administration experience.

VMware, Nutanix, and NetApp administration

Windows Server and Linux system management

Cisco/Dell network devices and Palo Alto firewalls

Experience supporting federal law enforcement IT systems or CALEA‑related operations.

Hands‑on experience assisting with the design or deployment of COOP/DR sites.

Knowledge of Palo Alto firewall configuration and migration.

Familiarity with Kubernetes or containerized applications (e.g., JSI platforms).

Experience with static routing, VPN tunnels, and multi‑site network resiliency.

Familiarity with lab testing and replication validation processes.

Prior experience supporting high‑availability, 24/7 mission operations.

Microsoft Certified Solutions Associate (MCSA)

Microsoft Certified Systems Engineer (MCSE + Security)

PMP (Project Management Professional)

with hand truck/lift cart.

Traditional and HSA‑eligible medical insurance plans

100% employer‑paid dental and vision insurance options

100% employer‑sponsored STD, LTD, and life insurance

Flexible‑schedules and teleworking options

Paid holidays and PTO accrual plans

Professional development and career growth opportunities

Revolutional is an Equal Opportunity Employer providing equal employment opportunity to all employees and applicants for employment without regard to race, color, religion, national origin, age, gender identity, sexual orientation, disability, or genetics. Reasonable accommodation will be made to enable an applicant with a disability to successfully apply for and/or perform the essential duties of the job.