Cyber Systems Administrator – Control Systems Cybersecurity

Agile Defense•Columbus, OH

1d•Onsite

About The Position

Agile Defense is seeking a Cyber Systems Administrator (Lead) to serve as the on-site cybersecurity authority for a federal customer’s building and facility control systems in Columbus, Ohio. The role supports systems such as building automation, utilities, and metering, helping keep them secure, resilient, and audit-ready. The position combines hands-on security operations and team leadership, and acts as the primary connection between the on-site operations team and the government’s cybersecurity organization at a separate location. The administrator will communicate local technical conditions to remote stakeholders, align the site with enterprise cybersecurity standards, and guide the customer in maintaining its Authority to Operate (ATO). The role leads and mentors a small team responsible for Risk Management Framework (RMF) documentation, security controls, and compliance activities. The candidate must be a U.S. citizen and able to obtain and maintain a Secret security clearance. The position is onsite. Required certification includes meeting DoD 8140.03 IAM Level I requirements, such as Security+ CE; a role-based computing environment certification must be obtained before privileged access and within 180 days of the first day.

Requirements

Meet DoD 8140.03 certification requirements for IAM Level I, such as Security+ CE.
Obtain a role-based computing environment certification before privileged access and within 180 days of the first day.
Hands-on cybersecurity or systems administration experience in a federal, DoD, or similarly complex environment.
Experience supporting the RMF process end to end.
Experience leading or mentoring cybersecurity staff.
Working knowledge of federal cybersecurity frameworks: FIPS 199/200, NIST 800-53, NIST 800-82, and CNSSI 1253.
Experience with DoD cybersecurity tools for vulnerability scanning, compliance checking, and endpoint security.
Strong vulnerability management capabilities, including scanning, triage, remediation, and tracking.
Clear, audit-ready technical writing.
Ability to coordinate with program managers, remote cybersecurity stakeholders, security officers, engineers, and vendors.
U.S. citizenship and the ability to obtain and maintain a Secret security clearance.

Nice To Haves

DoD 8140 IAM Level II certification.
Experience with OT/ICS/SCADA or facility-related control systems, such as building automation or advanced metering.
Knowledge of the Purdue Enterprise Reference Architecture.
Experience supporting ATO or ATC efforts.
Familiarity with FedRAMP and Zero Trust principles.
Linux administration experience.
Prior DLA customer experience.
Equivalent experience, technical training, or industry certifications may be considered in place of a bachelor’s degree; relevant experience may come from military service, government or industry technical roles, or non-traditional career paths.

Responsibilities

Lead daily cybersecurity operations for facility and control systems, including patching, hardening, monitoring, and compliance.
Supervise and mentor two RMF Specialists, reviewing their work and developing their technical capabilities.
Serve as the on-site liaison among the facility team, OEM vendors, and the government’s remote cybersecurity team, aligning work with enterprise security requirements.
Conduct vulnerability scans, analyze results, and drive remediation through completion.
Oversee creation of RMF documentation and security artifacts, ensuring accuracy and audit readiness.
Support system categorization and risk assessment by communicating local technical information to off-site stakeholders.
Build and maintain an inventory of systems, software, and documentation.
Enforce cybersecurity best practices and separation of duties across the team.
Represent on-site readiness in recurring customer meetings, workshops, and program reviews.
Lead cyber phase-in and transition activities during ramp-up, supporting collaboration with the broader government cyber organization.
Guide the customer toward maintaining its Authority to Operate (ATO).