DoD OT/ICS Network Engineer - Secure Connectivity

The Building People; United States; On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Medical & Rx

Vision

Flexible Spending Accounts

401(k) Retirement Plan

Life Insurance/AD&D

Disability benefits

Paid Time Off

Holiday Pay

Job summary

The Building People is seeking a Network Specialist to design, implement, and defend DoD networks supporting OT/ICS environments. You will contribute to architecture, segmentation, and secure connectivity for facilities and operational technology systems such as UMCS, ESS, FAS, SCADA, and metering.

You will work with cybersecurity, systems engineering, and field teams to meet DISA STIGs/SRGs, patch management windows, and documented turnover packages.

Qualifications

• Experience designing and operating routed and switched networks for OT/ICS environments, including VLANs/VRFs and site‑to‑site connectivity.
• Hands‑on configuration of firewalls, routers, and Layer 3 switches (ACLs, NAT, VPNs, IPsec/SSL).
• Network access control experience (802.1X/MAB), RADIUS/TACACS+, certificate/PKI basics.

Responsibilities

• Design, implement, and defend networks supporting OT/ICS environments.
• Configure and manage firewalls, routers, and L3 switches; ensure segmentation and secure access.
• Monitor and respond to security events; document networks and support DoD CDRLs and turnover packages.
• Coordinate with cybersecurity, systems engineering, and field teams to deliver secure connectivity.

Skills

OT/ICS networks

Firewall & VPN config

802.1X & NAC

Monitoring & SIEM

Disaster recovery & patch mgmt

DoD cyber requirements

Communication with stakeholders

Travel to sites

DoD 8570 IAT/IASAE

Education

Bachelor’s degree in IT/CS/Networking

Tools

Cisco ISE

ACAS

Wireshark

Job description

Network Specialist-Department of Defense

life insurance, paid time off, long term disability, 401(k), retirement plan

United States

Please note that this position is for an upcoming position. We are, however, accepting applications for this anticipated need. If you are interested in joining The Building People, we encourage you to APPLY TODAY!

The Building People, LLC, has a position open for a full-time Network Specialist - Department of Defense. The Network Specialist designs, implements, and defends networks supporting facility and operational technology environments for Industrial Control Systems such as UMCS, ESS, FAS, SCADA, and metering. Responsibilities include architecture and segmentation, routing and switching, firewall and VPN configuration, access control and authentication services, monitoring and incident support, documentation, and compliance with applicable DoD cybersecurity requirements. This role supports a Department of Defense mission and collaborates with cybersecurity, systems engineering, and field teams to deliver secure, reliable connectivity.

Required Experience & Skills

• Experience designing and operating routed and switched networks for OT/ICS environments, including VLANs/VRFs, inter-VLAN routing, and site-to-site connectivity.
• Hands-on configuration of firewalls, routers, and Layer 3 switches (ACLs, NAT, VPNs, IPsec/SSL, high availability).
• Network access control experience (802.1X/MAB), RADIUS/TACACS+, and certificate/PKI basics.
• Implementation of monitoring and detection: syslog, NetFlow, SNMP, IDS/IPS, and SIEM integration.
• Familiarity with ICS protocols and security considerations such as BACnet and Modbus, and PPS allowlisting at boundaries.
• Experience applying DISA STIGs/SRGs, secure baseline configurations, and maintaining hardened images.
• Coordination of vulnerability scanning and remediation (e.g., ACAS) and patch management windows appropriate for ICS.
• Ability to produce network diagrams, IP plans, inventories, and as-built documentation; support CDRLs and turnover packages.
• Proficiency with troubleshooting tools such as Wireshark and vendor diagnostics; basic scripting or automation is a plus.
• Strong communication skills for coordination with stakeholders and preparation of technical documentation.
• Ability to travel to active project sites, including secure facilities.
• Must meet DoDD 8570.01 and DoD 8570-M requirements for IAT Level 1 or 2, or IASAE Level 1 or 2, OR meet requirements for a CND role (CND-A, CND-IS, CND-IR, or CND-AU).

Preferred Experience & Skills

• Vendor certifications such as CCNA/CCNP, PCNSE, JNCIS/JNCIP, Fortinet NSE, or equivalent; experience with Cisco ISE or comparable NAC platforms.
• GICSP, GRID, or ISA/IEC 62443 credentials.
• Experience implementing Zero Trust principles for OT networks, DMZ architectures, and jump/bastion solutions.
• Experience with time synchronization for control systems (NTP/PTP), out-of-band management networks, and industrial Ethernet switches.
• Prior experience on federal task order contracts for facility modernization or control systems programs.

Required Education

• Bachelor's degree in information technology, network engineering, computer science, or related discipline, or equivalent experience.

Preferred Education

• Advanced degree in a related field or additional graduate certificate work in cybersecurity or network engineering.

Clearance

• Ability to obtain a Secret Clearance.

Travel

• Minimum 25% to job sites CONUS and OCONUS as required by task orders.

*Salary offered will be commensurate with the candidate's experience, qualifications, and certifications.

*Our positions may require a background screening and clearance directly from the Government.

*Please note that telework arrangements are subject to change based on customer requirements.

ADDITIONAL INFORMATION

Competitive benefits for eligible employees include:

• Medical & Rx
• Vision
• Flexible Spending Accounts
• 401(k) Retirement Plan
• Life Insurance/AD&D
• Long Term Disability and Short-Term Disability
• Paid Time Off
• Holiday Pay

All positions require a background check after acceptance of our offer. The selected candidate will be eligible to begin employment before the background check has been finalized. However, continued employment will be contingent upon the results of your reference/background check from The Building People, LLC. Your position may require special credentialing, clearance, and access as a condition of employment. In the event the government or client does not sponsor or approve your clearance, it may result in termination of your employment.

If you need a reasonable accommodation for any part of the employment process, please contact us by email at [e-mail] and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. Please note that only inquiries concerning a request for reasonable accommodation will be responded to from this e-mail address.

For more information, view the EEO is the Law Poster and Pay Transparency Statement.