About the Role:

Global Systems Engineering, LLC an Intreped Partners company is a HUBZone small business that supports the federal government with a variety of high-end technical and engineering services We are seeking a Cyber Security / Network Engineer to support the Operational Technology (OT) Inventory Project for Army National Guard installations. You will partner with a Facility Control Systems Manager/Operator to perform detailed physical and logical inventories of facility-based control systems including HVAC, alarm systems, utility monitoring, and other low-voltage automation systems.

Location:Travel-based across Northeast (Road Island, Vermont, New Hampshire and Maine) to installations and buildings operated by the Army National Guard (ARNG).

Key Responsibilities:

• Inventory & Documentation
  • Conduct physical and logical inventories of OT/ICS devices (Levels 15) in accordance with USACE ICS Inventory Methodology and DoD UFC 4-010-06.
  • Identify, categorize, and document OT hardware, software, firmware, and network connections.
  • Produce detailed network topology and dataflow diagrams showing device roles, IP addressing, ports, and protocols.
• Network & Cybersecurity Assessment
  • Perform authorized logical scans of OT networks using government-approved tools (e.g., Wireshark, Nozomi) to identify devices, connectivity, and potential vulnerabilities.
  • Analyze network architecture to determine compliance with RMF requirements and DoD cybersecurity standards.
  • Note interconnections between OT networks, DoD IT networks, and external networks.
• RMF Support
  • Provide input to RMF compliance assessments and recommendations.
  • Develop cost estimates and mitigation strategies for remediating vulnerabilities and ensuring RMF compliance.
• Collaboration & Reporting
  • Work alongside Facility Control Systems Managers/Operators as part of a two-person site inventory team.
  • Participate in on-site and virtual meetings, including kick-off briefings, daily hot wash sessions, and executive-level presentations.
  • Maintain accurate, secure records of all findings in compliance with Controlled Unclassified Information (CUI) handling requirements.

Required Qualifications:

A bachelors degree in cybersecurity, information technology, computer science, engineering, or a closely related discipline is preferred but not required. In lieu of a degree, candidates may qualify through:

1. Experience:
   • Seven (7) or more years of progressively responsible work in one or more of the following areas:
     • Operational Technology (OT) or Industrial Control Systems (ICS) cybersecurity.
     • Network engineering and architecture for mixed IT/OT environments.
     • Cybersecurity assessment, RMF compliance analysis, or vulnerability remediation for DoD or critical infrastructure environments.

1. Certifications (at least one required):
   • Global Industrial Cyber Security Professional (GICSP) Advanced level
   • CISSP, CISM, or equivalent advanced cybersecurity certification.
   • CompTIA Security+ or equivalent foundational cybersecurity certification.
   • CCNA, CCNP, or similar network engineering certification.
   • Manufacturer-specific ICS/OT certifications (e.g., Tridium Niagara, Siemens Desigo, Johnson Controls Metasys).
2. Demonstrated Competencies:
   • Proven ability to conduct logical inventories of OT environments using approved discovery tools.
   • Ability to produce network and data flow diagrams meeting DoD UFC and USACE standards.
   • Documented experience identifying and categorizing OT devices and software in accordance with DoD 8140.03M Cyber Defense Infrastructure Support Specialist (Work Role ID 521) Intermediate level or higher.
   • Familiarity with NIST SP 800-82, UFC 4-010-06, and relevant STIGs for OT/ICS systems.

Required Qualifications:

• Meet DoD 8140.03M Cyber Defense Infrastructure Support Specialist (Work Role ID 521) Intermediate level or higher.

Education:

• Bachelors degree in cybersecurity, information technology, computer science, engineering, or related discipline; OR
• Equivalent Experience: Minimum of 7 years in OT/ICS cybersecurity, network engineering, or related technical fields (see preferred experience below).

Certifications (one or more required):

• Global Industrial Cyber Security Professional (GICSP) Advanced level preferred
• CISSP, CISM, or other advanced cybersecurity certification
• CompTIA Security+ or equivalent foundational certification
• CCNA/CCNP or similar network engineering certification
• Manufacturer-specific ICS/OT controls certifications (e.g., Tridium Niagara, Siemens Desigo, Johnson Controls Metasys).

Technical Competencies:

• Proven ability to produce network and dataflow diagrams to USACE/DoD standards.
• Experience performing logical scans, packet captures, and network discovery in OT environments.
• Familiarity with NIST SP 800-82, UFC 4-010-06, and relevant STIGs.
• Ability to handle and secure CUI in accordance with DoD guidance.

Preferred Experience:

• Experience with facility-related control systems such as HVAC, lighting control, fire/life safety, and electronic security systems.
• Hands-on work in mixed IT/OT environments supporting critical infrastructure.
• Prior experience with DoD RMF processes and preparing ATO-related documentation.

Additional Requirements:

• U.S. citizenship required due to federal contract requirements, and ability to meet background check requirements.
• Completion of DoD Cyber Awareness Training and Acceptable Use Policy (AUP) prior to site work.
• Familiarity with low-voltage systems, industrial controls, and energy management platforms
• Ability and willingness to travel extensively across multiple states for site inventories.
• Must be physically able to access mechanical rooms, rooftops, and other facility spaces in compliance with safety requirements.
• Must comply with facility-specific access, PPE, and identification requirements
• Excellent interpersonal, reporting, communication and technical writing skills