USMC Electrical Distribution OT Engineer

Terrestris Global Solutions; Jacksonville (NC); On-site; USD 90,000 - 140,000; Full time

Benefits offered by this job

Health benefits

Retirement benefits

Job summary

Terrestris Global Solutions seeks an Electrical Distribution OT Engineer to design, configure, and sustain high-voltage SCADA/OT systems across 600V–230kV for the FRCS program supporting USMC facilities. The role focuses on securing OT networks, integrating SEL equipment, and maintaining documentation for accreditation.

The position is on-site at MCB Camp Lejeune, MCAS New River, and nearby satellite locations, with a 40-hour work week during standard hours. A Secret clearance is required.

Qualifications

• Secret clearance required.
• Authorization to work in the United States without sponsorship.
• Oral and written English fluency.
• State’s Driver’s License.
• HVSCADA and OT networking knowledge.
• Experience with 600V–230kV electrical distribution systems.
• Knowledge of high voltage distribution operations and safety.
• Experience with SEL relays/controls and SEL RTACs.
• Experience with Inductive Automation Ignition and OSI SCADA platforms.
• Experience with FRCS applications, OPCUA, DNP3, MODBUS, mirrored bits, and equipment.
• Experience establishing Modbus to DNP3 for OT equipment.
• RMF compliance and NIST SP 800-82 guidance knowledge.
• Strong documentation and policy development skills.

Responsibilities

• Design, configure, integrate, and maintain HV SCADA and OT systems from 600V to 230kV.
• Configure, program, test, and troubleshoot SEL relays, RTACs, PLCs, HMIs, Ignition, and OSI SCADA platforms (DNP3, Modbus, OPC UA).
• Monitor real-time and historical data to identify trends, diagnose faults, and improve reliability.
• Perform preventive maintenance, firmware upgrades, software patches, relay testing, calibration validation, and Omicron verification.
• Implement secure OT network architectures and SCADA communications with cybersecurity controls and RMF compliance.
• Develop engineering docs, operating procedures, network diagrams, and schematics; collaborate with FRCS, sysadmins, and cybersecurity staff.

Skills

HVSCADA

OT networking

SEL relays

PLCs/HMIs

OSI SCADA

DNP3

MODBUS

OPC UA

RMF/NIST SP 800-82

High voltage distribution

Education

Inductive Automation Core Certification

Inductive Automation Gold Certification

Tools

Ignition

OSI SCADA platforms

Omicron testing equipment

SEL RTACs

AC/DC high-voltage systems

Job description

Are you looking for a Challenge?

Looking for an innovative organization and the opportunity to learn and grow professionally? We can help! We are seeking an Electrical Distribution OT Engineer for the Facilities Related Control Systems (FRCS) Support Services contract. This project will provide knowledge, training, and support to assist the U.S. Marine Corps Public Works Department in the areas of FRCS, Cybersecurity, Assessment and Authorization (A&A), Authority To Operate/Authority to Connect (ATO/ATC) package upkeep and maintenance, USMC Cloud and Cloud-Based A&A support, and data center support/administration for the FRCS virtualized environment, servers, and associated applications. This is a full-time, on-site position at Marine Corps Base (MCB) Camp Lejeune, Marine Corps Air Station (MCAS) New River, and satellite locations near Camp Lejeune, working 40 hours per week, Monday through Friday, within normal business hours (7:00 am to 5:00 pm).

What do you do?

At Terrestris, we leverage technology to create better mission outcomes through better human performance. We form strong client and team relationships through transparency and strive to create an environment where our team can let their excellence shine through. By finding, developing, and incorporating new ideas, we provide memorable services. Rooted in the USMC values of honor, courage, and commitment, Terrestris seeks to deliver extraordinary value to the American people by helping the Government become more efficient and effective.

So, what will the Electrical Distribution OT Engineer at Terrestris do?

The Electrical Distribution OT Engineer will be a key billet for the Facilities Related Control Systems (FRCS) Support Services contract. This position designs, configures, and sustains high-voltage SCADA and OT electrical distribution systems supporting mission readiness. This position is contingent upon contract award.

What does a typical day look like for a Electrical Distribution OT Engineer?

You will:

• Design, configure, integrate, and maintain high-voltage SCADA and OT systems supporting electrical distribution networks from 600V through 230KV, ensuring reliable, safe, and continuous mission operations.
• Configure, program, test, and troubleshoot SEL relays, RTACs, PLCs, HMIs, Ignition, and OSI SCADA platforms while integrating DNP3, Modbus, OPC UA, mirrored bits, and other industrial communications protocols.
• Monitor real-time and historical operational data to identify system trends, diagnose faults, optimize electrical distribution performance, and implement corrective actions that improve system reliability and resiliency.
• Perform preventive maintenance, firmware upgrades, software patches, relay testing, calibration validation, and Omicron acceptance testing while documenting results and maintaining configuration management records.
• Implement secure OT network architectures and SCADA communications by supporting cybersecurity controls, RMF compliance, NIST SP 800-82 guidance, system accreditation activities, and secure remote communications for industrial control systems.
• Develop engineering documentation, operating procedures, network diagrams, and electrical schematics while collaborating with FRCS engineers, systems administrators, and cybersecurity personnel to deploy, sustain, and modernize electrical distribution control systems.

What qualifications do you look for?

You might be the professional we’re looking for if you have:

• A current Secret clearance is required.
• Authorization to permanently work in the United States without sponsorship.
• Oral and written English fluency.
• State’s Driver’s License.
• Knowledgeable in HVSCADA (high voltage supervisory controls and data acquisition) and O/T networking.
• Experience with electrical systems design and operations from 600V to 230KV with a strong foundation in electrical distribution systems.
• Knowledge of high voltage electrical distribution operations and safety.
• Controls experience, integration, and configuration of SEL (Schweitzer Engineering Laboratories) relays/controls and SEL RTACs (real-time automation controllers).
• Expertise in ITS systems - inductive automation, ignition software, SEL HMI, and OSI SCADA platforms.
• Expertise in design, development, and deployment of SCADA systems.
• Proficient in Programmable Logic Controllers (PLCs) and Human-Machine Interfaces (HMIs) from manufacturers such as SEL, Allen-Bradley, Siemens, and Schneider Electric.
• Expertise in monitoring and analyzing real-time and historical data to identify trends, anomalies, and potential issues.
• Experience in performing software security updates, system patches, firmware and version upgrades on SEL devices and ignition software.
• Experience with Facilities Related Controls System (FRCS) applications, operating systems, protocols, OPCUA, DNP3, MODBUS, SEL, mirrored bits, and equipment.
• Experience in establishing Modbus to DNP3 communications for O/T equipment.
• Knowledge and experience with service management, configuration management, change management, incident and problem management process.
• Experience with SEL relay testing and maintenance to include documentation of test results, and validation of calibration for all instrumentation and control devices.
• Experience with Omicron testing equipment.
• Professional Certifications: Core Certification - Inductive automation AND Gold Certification - Inductive automation

We will be extra impressed if you have:

• Expertise in writing policies and procedures for the secure configuration, installation, and management of SCADA and electrical distribution O/T systems
• Experience with Automated Metering Systems - AMI (advanced metering infrastructure), AMR (advanced meter reading) and electrical utility metering architecture and operation.
• Experience in a Department of War (DoW) O/T environment.
• Experience with creating and maintaining O/T networks for SCADA and industrial control applications
• Experience with 4G, 5G, and LTE wireless networking and configuration
• Experience in the use of SQL and Microsoft Server software
• Experience with building, securing, and accrediting Linux Servers and devices running Ubuntu
• Expertise in creating and modifying drawings and schematics using CAD and Visio software
• Experience in maintaining cybersecurity measures to protect the SCADA system from cyber threats and unauthorized access while following Risk Management Framework (RMF) and ensure compliance with standards in NIST SP 800-82.
• SEL certificates or training.
• Programming/Scripting - Python, SQL, Bash, Java Databases - SQL Server, PostgreSQL, NoSQL, MongoDB.
• Power BI.
• Advanced level Microsoft Excel.
• AutoCAD expertise.
• Sec+ expertise.
• Net+ expertise.

What kind of benefits does Terrestris Offer?

We offer outstanding benefits including health, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work-life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards. Full‑time and part‑time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category.

Terrestris is an Equal Opportunity Employer (EOE). Qualified applicants are considered for employment without regard to age, race, color, religion, sex, national origin, sexual orientation, disability, or veteran status. Applicants must be authorized to work in the U.S.