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Senior OT Network Administrator (ICS/SCADA)

Arch Systems, LLCHonolulu, HI🇺🇸United StatesPosted 6 Aug 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Senior OT Network Administrator (ICS/SCADA)

Full-Time

We are seeking a Senior OT Network Administrator with strong experience in ICS, SCADA, BMS, FRCS, and IT/OT network environments to support a federal program.

Required Qualifications:

  • U.S. Citizen

  • Active Top Secret (Tier 5) Clearance or ability to obtain Interim T5

  • 5+ years of network administration experience

  • 3+ years supporting ICS, SCADA, BMS, FRCS, or OT networks

  • Strong experience with:

    • Network Segmentation

    • Firewalls

    • BACnet/IP & Modbus TCP

    • Purdue Model

    • NIST SP 800-82

    • DoD Cybersecurity Standards

  • Experience with Microsoft Office Suite

  • Excellent communication and documentation skills

Required Certifications (One Required)

Security+, SSCP, GSEC, GCIH, GICSP, Cloud+, EH

Advanced Certifications Preferred: SecurityX (CASP+), CCNA, CCNP Security, CCSP, GCED, GCIA, GCLD, GDSA, or GFACT.

Job Type: Full-Time
Clearance: Top Secret (T5) Required/Eligible

Skills

SCADA
Microsoft Office

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