SME Systems Administrator
Dormont Manufacturing Company
- Lorton, Virginia, United States
- Lorton, Virginia, United States
About
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
Location: Lorton, VA (22079)
Citizenship: U.S. 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; 3 days onsite required (subject to mission needs)
Travel: Occasional CONUS travel; local travel within 50 miles is not reimbursable
Role Overview
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. A shared responsibility among Harmonia, the government, and vendor partners.
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.
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.
Required Qualifications
Bachelor’s degree in IT, Engineering, or related field OR +5 years equivalent experience.
10+ years enterprise IT systems/network administration experience.
Proficiency in:
Active Directory, DNS, DHCP, and GPO management
PowerShell or Bash scripting for automation and administration
VMware, Nutanix, and NetApp administration
Windows Server and Linux system management
Server/workstation patching and security remediation
Security standards, ATO processes, and coordination with ISSO
Cisco/Dell network devices and Palo Alto firewalls
Excellent communication skills with both technical and non‑technical stakeholders.
Ability to work independently in high‑pressure, mission‑critical environments.
Preferred Qualifications
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.
Preferred Certifications:
Microsoft Certified Solutions Associate (MCSA)
Microsoft Certified Systems Engineer (MCSE + Security)
CompTIA Security+ (active certification preferred)
PMP (Project Management Professional)
Soft Skills
Analytical and detail‑oriented with strong initiative.
Adaptability to changing mission needs and operational tempo.
Collaborative approach with vendors (JSI, Palo Alto) and government teams.
Commitment to Harmonia’s principles of excellence, collaboration, curiosity, and integrity, and growth within an employer of choice organization.
Physical Demands / Work Environment
Must regularly lift/move up to 50 lbs.; occasionally up to 80 lbs. with hand truck/lift cart.
Requires standing, kneeling, crouching, and crawling in server rooms.
Normal hearing/vision required; moderate server‑room noise.
Benefits
Traditional and HSA‑eligible medical insurance plans
100% employer‑paid dental and vision insurance options
100% employer‑sponsored STD, LTD, and life insurance
5% 401(k) company matching
Flexible‑schedules and teleworking options
Paid holidays and PTO accrual plans
Paid parental leave
Professional development and career growth opportunities
Team and company‑wide events, recognition, and appreciation
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. If you are in need of an accommodation, please contact HR@revolutional.com.
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Languages
- English
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