GSW - PSA Engineer SCADA

APN Consulting, Inc. is a progressive IT staffing and services company offering innovative business solutions to improve client business outcomes. We focus on high impact technology solutions in ServiceNow, Fullstack, Cloud & Data, and AI / ML. Due to our globally expanding service offerings we are seeking top-talent to join our teams and grow with us.

Job Title: GSW - PSA Engineer SCADA
Location: Melbourne, FL 32904 or Bellevue, WA 98004 (Preferred On-site, open to Remote)
Duration: 6 months

Roles & Responsibilities
Responsible for advanced Power Systems Application software development and successful delivery of assigned functions to meet corporate project/product commitments. The responsibilities include: working with Electric Utilities or ISOs (Independent System Operators) and Transmission System Operators (TSOs) on functional software specifications, designing, coding, testing, integration, application tuning and delivery.

Desirable Skills / Must Have Technical/Functional Skills:
Proficient in Electric Transmission EMS / SCADA /Implementation Preferable hands-on experience of implementing Client Reliance (XA21) EMS/SCADA or any equivalent SCADA from Siemens, OSI, ABB, Schneider etc.
Good knowledge of Electric SCADA applications/Power DMS/TMS Experience doing data modelling.
5+ years of work experience in customizing and delivering Network or Transmission Application preferably Reliance.
5 years of experience with LINUX and Windows Operating Systems
5 years of experience with C, Java & Oracle Database SQL, shell scripting, ability to read and interpret logs & debug files Installation of Operating system patches and other 3rd Party Software such as Oracle, NetApp etc.
System configuration and Hands on Experience in GitHub and ClearCase
5 years experience on Realtime or Mission Critical Systems Must have experience in picking up and installing fixes on live customer systems Proven track record of problem analysis, identification and resolution Strong troubleshooting & debugging skills Good communication skills (verbal and written) MS office applications (Word, PowerPoint, Excel) and MS Outlook competency Reliance (Formerly known as XA/21) experience Object-Oriented programming techniques, Oracle, and/or system administration, is a plus Reliance grid apps domain Database SQL/PLSQL Test Management / Exposure to automated testing

Education:
Master's or Bachelor's degree in electrical engineering Master's in Electrical Engineering specialized in Power System Applications (PSA)

Keywords:
Power On Reliance, XA21, Power Systems, EMS

EXPERIENCE RANGE IN REQUIRED SKILLS: 6-8 years

REQ Intake:
Location: Preferred On-site, open to Remote Interview rounds: 2 1st round: TCS 2nd round: End client

PSA Engineer - SCADA (Real-Time Systems)

Purpose: Implement and maintain real-time SCADA infrastructure integrated with Client ADMS / EMS.

Core Responsibilities
Commission and configure SCADA servers, historian, and comm front ends.
Integrate RTUs, IEDs, PMUs using IEC 60870-5-101/104, DNP3, ICCP TASE.2 protocols.
Design and validate point databases, RTU maps, control points, analog scaling, alarm thresholds.
Coordinate with field engineers for RTU testing and FAT/SAT.
Implement redundancy, failover, and disaster-recovery schemes.
Monitor system performance and latency, apply OS/patch management.
Support cybersecurity hardening (firewalls, certificate management, NERC CIP baseline).

Critical Skills
Client SCADA / Proficy Historian / Grid OS RT Communication protocols (IEC 101/104, DNP3, ICCP) Networking & cybersecurity (VPN, firewalls, TLS, PKI)
Scripting: Python / Shell for automation Real-time OS / server tuning (Windows Server 2019, RHEL 8) Hands-on with SEL RTAC, Siemens SICAM, ABB RTUs preferred

Preferred Background
5-10 yrs SCADA integration / commissioning Electrical / Instrumentation background Client Digital EMS / ADMS certification desirable

Cross-Functional & Soft Skills
Familiarity with Client GridOS, ADMS, DERMS, EMS, Smallworld lifecycle and DevOps tools

Hands-on with JIRA, Confluence, Git, Jenkins, ServiceNow

Strong documentation and communication for customer interaction

Understanding of utility domain, OT/IT integration, cybersecurity, and change control

Agile / DevOps project delivery experience preferred

Pre-Screening Questions
Which communication protocols have you configured or troubleshot (IEC 101/104, DNP3, ICCP)?
Expect details on mapping, polling intervals, and event confirmation logic.
Describe how redundancy and failover are implemented between primary and backup SCADA servers.
Expect hot-standby, mirrored DB, watchdog, and heartbeat mechanisms.
How do you secure SCADA communications in compliance with NERC CIP?
Expect firewall zoning, TLS/PKI, certificate management, user segregation.
When analog data stops updating from an RTU, what is your step-by-step troubleshooting approach?
Expect methodical network-protocol-application sequence.
Describe your scripting or automation experience for configuration or monitoring (Python/Shell).
Expect hands-on examples config validation, log parsing, or polling tests.

We are committed to fostering a diverse, inclusive, and equitable workplace where individuals from all backgrounds feel valued and empowered to contribute their unique perspectives. We strongly encourage applications from candidates of all genders, races, ethnicities, abilities, and experiences to join our team and help us build a culture of belonging.