Commissioning Engineer — Nationwide

Commissioning & Field Execution

Nationwide (Field-Heavy) Hiring ENG III

ZA-35007 Nationwide (Field-Heavy) Field-Heavy Compensation discussed during final conversation Why This Role Exists

We deliver P&C scopes that end with owner witness testing — the commissioning engineer is the person standing in front of the switchgear when the protection system has to prove it works. This role exists because the engineer who commissions the system should understand what the relay settings, automation logic, and mode sequencing are supposed to do. You execute L1–L5 commissioning on Tier III/IV data center power systems: FAT/SAT scripts, functional performance tests, staged cutovers, and witness testing across multi-vendor protection and controls equipment. Nationwide travel — you go where the projects are. What You Own

FAT/SAT/IST test procedures for protection relays, generator controllers, ATS, and SCADA systems Functional performance testing: protection scheme verification, trip coordination, interlock validation Staged commissioning planning: board-by-board or zone-by-zone cutover with deterministic rollback Transfer testing: open-transition and closed-transition sequences, retransfer with time delay Black-start drill execution and verification of automatic recovery sequencing Punch-list management through closeout and owner acceptance Turnover packages: commissioning records, as-built documentation, O&M manuals Systems You'll Touch

Vendor Platforms SEL Woodward CAT (Caterpillar) Omicron Doble Software Tools AcSELerator QuickSet AcSELerator RTAC Standards NFPA 70E IEEE 1584 Test Phases Factory Acceptance Test (FAT) Site Acceptance Test (SAT) Secondary injection testing Functional performance testing Witness testing Staged commissioning / cutover Site Activities

Automatic mode transitions Automatic black-start sequencing ATS control (open/closed transition) What Success Looks Like

First 90 Days Completed commissioning or witness testing on at least one active project site Developed FAT or SAT test procedures for a protection relay or controller scope Demonstrated familiarity with the firm's commissioning documentation standards and turnover package requirements First 180 Days Leading commissioning execution on a data center project — writing test procedures, executing tests, managing punch lists Independently conducting witness testing sessions with owner representatives present Contributing to staged cutover planning for live-site commissioning Required Background

5+ years commissioning experience on medium-voltage critical power systems (data centers, substations, industrial) FAT/SAT procedure development and execution for protection relays and generator controllers Secondary injection testing with Omicron or Doble test sets Transfer testing experience: ATS open/closed transition, generator paralleling, load bank testing NFPA 70E compliance: arc-flash PPE, approach boundaries, LOTO procedures on energized equipment Punch-list management and turnover documentation experience Preferred Background

NETA Level III or IV certification SEL relay commissioning (QuickSet, 751/700G/2440 families) Woodward generator controller commissioning (easYgen 3400, LS-6, DTSC-200) Staged commissioning on live critical infrastructure with rollback planning IEC 61850 GOOSE verification and PRP network failover testing What to Expect in the Field

Travel 60–80% during active commissioning. Nationwide deployment — you go where the projects are. Site Hours Site hours during commissioning phases: early starts, weekend milestones, off-hours energization windows. Flexible between projects. Customer-Facing Direct interface with prime contractor commissioning leads, owner witness testing coordinators, and site safety personnel Documentation Heavy — test procedures, commissioning records, punch lists, as-built documentation, turnover packages Field Safety NFPA 70E compliance mandatory — arc-flash PPE (Cat 2+ typical for MV), approach boundaries, daily safety briefings, LOTO management Why Ziggurat

You commission what we designed — the relay settings, the automation logic, the coordination curves all come from the same firm Multi-vendor commissioning: SEL, Woodward, CAT, ABB — not locked into one OEM's equipment portfolio Your commissioning feedback improves the next design — direct loop between field reality and engineering office Small firm means your commissioning expertise directly shapes standards, procedures, and turnover quality Hiring Process

1 Screen Background review against role requirements — vendor platform experience, relevant certifications, project types, and standards familiarity. Quick assessment of baseline alignment before investing either party's time. Resume review + 15-min intro call 2 Technical Review Deeper evaluation of technical depth. We review sample work — relay settings files, protection study reports, commissioning test procedures, or SCADA configuration packages — depending on the role. If samples aren't shareable, we discuss specific project scenarios in detail. Async work-sample review or 45-min technical call 3 Interview Scenario-based conversation with the principal engineer. Real project situations: how you'd approach a coordination study for a complex switchgear lineup, sequence a commissioning plan across multiple vendor platforms, or troubleshoot a protection scheme failure during site acceptance testing. 60-min video call with founder 4 Exercise / Artifact Review A practical evaluation matched to the role. Engineering roles receive a take-home exercise — review and mark up a set of relay settings, identify gaps in a protection study, or develop a test procedure for a specific scheme. Field-focused roles walk through a commissioning package or test report they've delivered, explaining their methodology and decisions. Take-home exercise (2–4 hrs) or artifact walkthrough (60 min) 5 Final Conversation Role scope, current project pipeline, working arrangements, and compensation. This is a two-way conversation — we want to confirm the role fits your goals, not just the other way around. 30-min call This role supports our testing commissioning and end to end service scopes. Questions about this role? Email us at careers@zigguratautomation.com Not ready to apply? Stay on our radar — we'll reach out when a role matches your background. General interest Protection & Relay EngineeringPower System Studies & DesignCommissioning & Field ExecutionIntegration & ControlsProject & Deployment Management Let\'s Talk Engineering Send your background. First step: a 15-minute call with the principal engineer. Apply See All Roles

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