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System Administrator / ICS-OT Technician

Tucson, AZ, United States

Salary: $75,000 - $80,000 per year, commensurate with experience and clearance level

The System Administrator works directly onsite at Davis-Monthan AFB, coordinating with the 355th CES and the 355th Communications Squadron on daily operations, trouble identification, and repair verification. The position carries direct responsibility for a production federal operational environment where system outages affect Air Force base infrastructure.

This is a full-time, on-site role where you will maintain, monitor, and troubleshoot SCADA, PLC, and Energy Monitoring and Control Systems across Davis-Monthan AFB.

Diagnose and remediate EMCS outages, coordinating with the 355th CES and 355th Communications Squadron for access, repair, and verification. 

Document all work actions in the work order system with complete trouble descriptions, actions taken, parts used, and verification steps.

Conduct periodic physical walkthroughs and system health checks of controlled facilities and equipment rooms.

Track remediation status across all open outages and provide accurate status in monthly reporting.

This position requires an Active Secret security clearance. 

Independent
Detail-oriented
Autonomy
Written communication
Technical Expertise

Responsibilities

  • Administer HMI workstations running SCADA software, including operating system maintenance, software updates, and configuration management 
  • Develop, modify, and maintain PLC ladder logic programs for facility systems including well systems, utility controls, and environmental monitoring 
  • Implement and maintain automated logout and session management on all SCADA HMI systems per DISA security requirements 
  • Create and maintain documentation of all PLC configurations, I/O mappings, and program changes
  • Test all logic changes in a controlled manner before deploying to production control systems
  • Maintain and administer the SCADA network infrastructure including switches, cabling, and network segmentation 
  • Support hardware replacement projects including procuring, staging, configuring, and deploying network equipment 
  • Ensure network segmentation between SCADA and enterprise networks is maintained and documented 
  • Troubleshoot network connectivity issues affecting SCADA and EMCS communications 
  • Coordinate with the 355th Communications Squadron on network changes that cross organizational boundaries
  • Maintain all systems in compliance with DISA Security Technical Implementation Guides (STIGs) applicable to ICS and SCADA environments 
  • Support periodic security assessments and respond to findings with documented corrective actions 
  • Maintain configuration baselines for all administered systems and document deviations 
  • Follow all OPSEC requirements for work performed on or near sensitive Air Force systems 
  • Report potential cybersecurity incidents or anomalous system behavior to the COR immediately
  • Contribute to the monthly status report submitted to the COR, documenting all tasks completed, systems worked, outages remediated, and upcoming work 
  • Maintain an accurate and current inventory of all SCADA, EMCS, PLC, and HMI components under CyberMyte responsibility 
  • Produce and maintain technical documentation for all systems, configurations, and procedures 
  • Coordinate access requests, work authorizations, and base entry logistics for all on-installation work

Must Have

  • Active Secret security clearance
  • United States citizen
  • 3 or more years of hands-on experience with industrial control systems, SCADA platforms, or building automation systems in an operational environment
  • Direct experience with PLC programming (Allen-Bradley, Siemens, or equivalent), including ladder logic development and modification
  • Experience administering Windows-based HMI workstations running SCADA software such as Wonderware, FactoryTalk, IgnitionScada, or equivalent
  • Experience administering Windows-based HMI workstations running SCADA software such as Wonderware, FactoryTalk, IgnitionScada, or equivalent
  • Experience in federal, military, or similarly regulated operational environments preferred

Certifications to have

  • CompTIA Security+ (required; must hold at time of hiring or obtain within 90 days of start)
  • One or more of the following preferred: CompTIA Network+, CompTIA CySA+, GICSP (Global Industrial Cyber Security Professional), ISA/IEC 62443 Cybersecurity Certificate, or vendor-specific PLC certifications

What's great about the job?


  • You get to solve complex security puzzles for unique, non-traditional IT systems.
  • Your work directly protects the operational technology that keeps a critical military installation running.
  • You will be a key technical authority, respected for your expertise and trusted to make critical design decisions.
  • You'll work in a focused environment where technical excellence is the measure of success

What We Offer


At Team CyberMyte, you’ll work in an environment where your decisions matter, your work is respected, and your leadership is trusted. We move fast, solve real problems, and stand behind the people we put on contract. You’ll have the support you need, the responsibility you’ve earned, and a team that’s focused on delivery, not politics. 

Perks

Competitive salary and
Individual Coverage Health Reimbursement Arrangement (ICHRA)

Trainings

$5,000 annual training stipend
Use it for certifications, courses, or job-related events of your choice

Career Support

Reimbursement for job-related events, certifications, and workshops

Career Support

Long-term contract