Cyber Systems Administrator/Control Systems Cybersecurity

Description

Nemean Solutions, headquartered in Sierra Vista, AZ, is a certified SBA 8(a) Native Hawaiian Organization (NHO) and veteran-operated company providing advanced Military Intelligence, Enterprise and Cloud IT services, Cybersecurity, Special Operations Forces (SOF) Exercise and Training, and niche Program Support and Professional Services to Federal and State Agencies supporting the US Government Defense, Intelligence and Aerospace sectors.

Job Overview:

The Cyber Systems Administrator (Lead) serves as the on-site cybersecurity authority for a federal customer’s building automation, utility, metering, and facility-related control systems. This hands-on leadership position oversees daily cybersecurity operations, supports secure and resilient operational technology (OT) environments, and coordinates with the Government’s remote cybersecurity organization to maintain compliance and support Authority to Operate (ATO) efforts.

Essential Duties & Responsibilities:

• Lead daily cybersecurity operations for facility and control systems — patching, hardening, monitoring, and compliance.
• Supervise and mentor two RMF Specialists, reviewing work and developing their technical capabilities
• Act as the on-site liaison between the facility team, OEM vendors, and the government’s remote cybersecurity team, ensuring alignment with enterprise-level security requirements.
• Run vulnerability scans, analyze results, and drive remediation to completion.
• Oversee creation of RMF documentation and security artifacts, ensuring accuracy and audit-readiness.
• Support system categorization and risk assessment by translating local technical information for stakeholders working off-site.
• Build and maintain a reliable inventory of systems, software, and documentation.
• Enforce cybersecurity best practices and separation of duties across the team.
• Represent on-site readiness during recurring customer meetings, workshops, and program reviews.
• Lead the cyber phase-in and transition efforts during ramp-up, ensuring smooth collaboration with the broader government cyber organization.

Requirements

Minimum Requirements/Education:

• Bachelor’s degree preferred but is not required; equivalent experience, technical training, military service, or relevant industry certifications will be considered.
• Hands-on cybersecurity or systems administration experience in a federal, DoD, or similarly complex technical environment.
• Experience supporting the Risk Management Framework (RMF) process from initiation through assessment, authorization support, and ongoing monitoring.
• Experience leading or mentoring cybersecurity personnel.
• Working knowledge of federal cybersecurity frameworks, including FIPS 199/200, NIST SP 800-53, NIST SP 800-82, and CNSSI 1253.
• Must meet DoD 8140.03 certification requirements for the assigned role (identified as IAM Level I), such as CompTIA Security+ CE.
• Must obtain the applicable role-based computing environment certification before privileged access, within 180 days of the first day of employment.
• Experience using DoD cybersecurity tools for vulnerability scanning, compliance checking, and endpoint security.
• Strong vulnerability management skills, including scanning, triage, remediation, and tracking.
• Ability to produce clear, accurate, and audit-ready technical documentation.
• Ability to coordinate with program managers, security personnel, engineers, vendors, and remote cybersecurity stakeholders.

Preferred Skills:

• DoD 8140 IAM Level II certification.
• Experience with OT/ICS/SCADA or facility-related control systems (e.g., building automation, 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.

Security Requirement:

• Must be a US Citizen with the ability to obtain & maintain a Secret security clearance.