Power Interfaces Engineer – Directed Energy

Mission Technologies, a division of HII

. Engineer electrical, data, and safety interfaces linking batteries, PDUs, converters, sensors, and controllers .

Posted 9/22/2026full-timeKnoxville • Tennessee • United StatesMid-LevelSenior💰 $99,104 - $195,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in engineering electrical and data interfaces, ensuring compliance with safety and communication standards. Proficient in developing interface control documents and conducting system integration and verification for high-energy systems.

Highest-signal resume keywords

Power System InterfacesCAN Communication ProtocolsInterface Control Documents (ICDs)Safety Logic EngineeringMOSA Principles

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Electrical Interface EngineeringSignal Behavior SpecificationAC/DC DistributionSystem IntegrationInterface VerificationHigh-Power SystemsModular Microgrid SystemsWiring DiagramsSignal MapsTrade Studies

Soft Skills

MentoringCollaborationDocumentation

Tools & Technologies

PDUsBatteriesSensorsControllersCommunication MapsTest Plans

Certifications & Qualifications

Professional Engineer (PE) LicenseSecret Clearance

Industry Keywords

MIL-STD-461NFPA 70EIEEE StandardsMOSA PrinciplesEnvironmental Resilience

Tech Stack

Tools & technologies

Switching

About the role

Key responsibilities & impact

Engineer electrical, data, and safety interfaces linking batteries, PDUs, converters, sensors, and controllers
Develop interface control documents, power-flow diagrams, signal lists, and communication maps
Ensure plug-and-play modularity and support evolving system configurations using MOSA principles
Specify analog/digital signal behavior, including filtering, timing, and fault responses
Define and validate CAN, Ethernet, Modbus, and proprietary serial communication protocols
Engineer safety logic, interlocks, and high-energy protective behaviors
Align interface logic with battery, controls, and power electronics teams
Assess batteries, sensors, controllers, and switching systems for performance and adaptability
Lead interface-focused trade studies centered on safety, reliability, and environmental resilience
Confirm compliance with electrical, thermal, communication, and EMI/EMC standards
Build test plans for interface integrity, communication performance, and safety logic
Support system bring-up with real-time signal verification and controller integration testing
Participate in FAT, regression, and fault-insertion testing
Document test results and champion interface improvements
Develop and maintain ICDs, wiring definitions, signal tables, and safety logic documentation
Manage configuration control across multiple builds and revisions
Review and refine technical documentation from junior engineers
Partner with systems, power electronics, controls, and software teams to align requirements
Serve as the interface SME in design reviews and customer engagements
Mentor emerging engineers in interface design best practices
Ensure designs meet NFPA 70E, MIL-STD-461, IEEE, and project-specific requirements
Contribute to hazard analyses and risk mitigation for high-energy systems

Requirements

What you’ll need

Level 3: 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; or 0 years experience with PhD or Juris Doctorate in related field
Level 4: 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; or 4 years experience with PhD or Juris Doctorate in related field
Level 5: 15 years relevant experience with Bachelors in related field; 13 years relevant experience with Masters in related field; or 10 years experience with PhD or Juris Doctorate in related field
Deep experience with power system interfaces, batteries/BMS, sensors, controllers, and PDUs
Strong understanding of AC/DC distribution, safety interlocks, and power electronics
Hands-on expertise with CAN, Ethernet, and serial communication protocols
Skilled in creating ICDs, signal maps, wiring diagrams, and logic definitions
Experience in system integration and interface verification
Ability to obtain and maintain a Secret clearance
Background in high-power or modular microgrid systems highly desired
Knowledge of MOSA principles highly desired
Familiarity with MIL-STD-1399, MIL-STD-461, NFPA 70E, and IEEE standards highly desired
Professional Engineer (PE) license highly desired
Experience leading interface standards and trade studies highly desired
Capable of climbing ladders and tolerating confined spaces and extreme temperature variances

Benefits

Comp & perks

Best-in-class medical, dental and vision plan choices
Wellness resources
Employee assistance programs
Savings Plan Options (401(k))
Financial planning tools
Life insurance
Employee discounts
Paid holidays and paid time off
Tuition reimbursement
Early childhood and post-secondary education scholarships
Bonus/other non-recurrent compensation may be offered for qualified positions
Educational and training programs for continual career growth