Full-Time

Senior OT Systems Engineer

Operations Technology

Posted on 8/29/2025

AltaGas

AltaGas

1,001-5,000 employees

Owns and operates energy infrastructure assets

Compensation Overview

$94k - $136k/yr

Springfield, VA, USA

In Person

Category
IT & Security (2)
,
Requirements
  • Bachelor's Degree Electrical Engineering, Computer Science, Information Systems or related field required
  • 5+ Years with enterprise and industrial grade network infrastructure is required
  • Demonstrated experience working on systems within an ICS/OT environment required
  • Strong knowledge of networking concepts such as VLANs, network segmentation, and routing required
  • Demonstrated experience troubleshooting networks at all layers of the OSI model required
  • Demonstrated experience deploying and configuring network equipment including firewalls, switches and routers required
  • Strong knowledge of network communications media including fiber and CAT5/6 required
  • Ability to learn through instructor led training and self-study required
  • Ability to write technical documentation required
  • Ability to communicate fluently in written and verbal English required
Responsibilities
  • Engineers, deploys and maintains network and virtual server infrastructure for remote control and monitoring of natural gas pipeline facilities
  • Performs system and equipment deployments and upgrades on network and virtual server infrastructure projects while ensuring no disruptions to the ability to control and monitor the natural gas pipeline
  • Performs project management functions on network and virtual server infrastructure projects, including coordinating resources from different departments
  • Assists in meeting compliance with TSA and public service commission (PSC) regulatory requirements
  • Uses detailed understanding of OT device protocols (e.g. Modbus, DNP3) and the Purdue Model for ICS networks to architect, deploy and maintain securely segmented network infrastructure for communications between Critical Cyber Systems
  • Collaborates with engineering and operations teams to identify requirements and specifications for external projects that require additions or changes to the OT environment
  • Collaborates with engineering and operations teams to ensure internal projects do not interrupt critical pipeline operations
  • Uses detailed understanding of the OT environment and operations requirements to troubleshoot and resolve OT application issues, computing and network equipment failures and communications outages within specified time limits
  • Architects and deploys test environments for testing of software updates and patches
  • Tests and deploys patches and software updates for all types of OT infrastructure including operating systems, network equipment, virtual infrastructure, and PLCs while ensuring no disruption of critical operations using a continuously evaluated risk-based methodology
  • Deploys and manages identity access management systems for controlling access to network devices and other OT applications and systems
  • Performs administration, configuration, installation, and deployment of network equipment including firewalls, routers, and switches
  • Collaborates with vendors to identify and procure equipment and systems and to troubleshoot and resolve problems
  • Specifies, procures, and manages installation of network and virtual infrastructure components
  • Specifies, procures, and manages installation of physical communications media (e.g. fiber, CAT5/6) for inside plant and outside plant applications through conduit or raceways
  • Develops and maintains firewall policies to meet CISA and TSA-SD2 guidelines and requirements
  • Develops and maintains system documentation including run books, asset inventories, and network diagrams
  • Serves as an OT subject matter expert for communications with internal and external stakeholders including TSA and PSC regulatory inspectors
  • Evaluates equipment lifecycles and develops replacement schedules and cost estimates
  • Evaluates and deploys new technologies to continuously improve the security and reliability of the OT environment
  • Uses in-depth knowledge of operational requirements, communication infrastructure and information systems to discover and evaluate risks due to system vulnerabilities and implement mitigation measures within the OT environment
  • Develops and maintains cyber policies and procedures to meet compliance with TSA and PSC cybersecurity requirements
  • Performs risk assessments and penetration tests within the OT environment
  • Collaborates with internal supply chain teams to ensure vendor agreements meet TSA and PSC cybersecurity requirements
Desired Qualifications
  • 1+ Years of experience with server virtualization is preferred
  • Strong knowledge of the Purdue Model for ICS networks preferred
  • Experience installing, deploying, and configuring virtual machines, hypervisors and bare metal servers is preferred
  • Knowledge of process control, electronic, pneumatic and mechanical instrumentation systems preferred
  • Experience working with federal and state regulatory agencies preferred
  • Experience installing and programming PLCs/RTUs preferred
  • Experience working with vulnerability and network scanning tools preferred

AltaGas is a North American energy infrastructure company that connects producers, consumers, and markets by owning and operating a mix of energy assets, including natural gas gathering and processing, transmission pipelines, storage, and utility operations. Its products and services move energy from upstream well sites to homes and businesses and to markets around the world. The company differentiates itself with a broad, integrated footprint—strong positions in the Montney basin and in U.S. utility jurisdictions—allowing it to provide reliable energy delivery through a diverse asset base and long-term contracts. AltaGas aims to deliver value to shareholders and customers by leveraging its assets and people to provide dependable, affordable energy solutions over many years.

Company Size

1,001-5,000

Company Stage

IPO

Headquarters

Calgary, Canada

Founded

1994

Simplify Jobs

Simplify's Take

What believers are saying

  • Annual dividend rises 6% to $1.34 per share for 2026.
  • Reaffirmed 2026 guidance after strong Q4 and full-year 2025 results.
  • TD Securities raises price target to C$51 with buy rating.

What critics are saying

  • Tourmaline Oil floods supply, slashing processing margins 15-20% in 3-6 months.
  • Keweenaw Pipeline delays from Michigan regulations erode 2026 guidance in 12-18 months.
  • Recent $900M notes spike leverage above 4.5x, triggering downgrades in 12-24 months.

What makes AltaGas unique

  • AltaGas advances 30-mile Keweenaw Connector Pipeline with materials procured.
  • Derek Evans appointed Board Chair on March 6, 2026, ensuring leadership continuity.
  • New long-term labour agreement at RIPET stabilizes LPG exports.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

401(k) Company Match

Paid Vacation

Remote Work Options

Company News

Cision
Sep 17th, 2024
ALTAGAS ANNOUNCES US$900 MILLION HYBRID SUBORDINATED NOTE OFFERING AND RESULTS OF SERIES G AND H PREFERRED SHARE CONVERSIONS

/CNW/ - AltaGas Ltd. ("AltaGas" or the "Company") (TSX: ALA) announced the Company has priced an offering (the "Offering") of US$900 million aggregate...

Cision
Mar 12th, 2024
ALTAGAS LTD. ANNOUNCES AGGREGATE $600 MILLION MEDIUM TERM NOTE OFFERINGS

/CNW/ - AltaGas Ltd. ("AltaGas") (TSX: ALA) today announced that it has agreed to issue $350 million of senior unsecured medium term notes (the "10 Year...

Seeking Alpha
Jan 4th, 2024
Altagas announces C$400M medium term note offering (TSX:ALA:CA)

Energy company AltaGas announces $400M senior unsecured note offering with a coupon rate of 4.672%, set to mature on January 8, 2029.

INACTIVE