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Engineer, Operational Technology Security

Londonderry, NH, US, 03053 Concord, NH, US, 03301 Mountain Lake, MN, US, 56159 Oakville, ON, CA, L6J 2X1 Baxter Springs, KS, US, 66713 Moncton, New Brunswick, CA, E1E 3R8 Deerfield, MI, US, 48445 Rio Rico, AZ, US, 85648 Columbus, KS, US, 66725 Willard, MO, US, 65781 Paw Paw, IL, US, 61353 Tahoe Vista, CA, US, 96148 Massena, NY, US, 13662 Webb City, MO, US, 64870 Nevada, MO, US, 64772 Tyler, TX, US, 75703 Ozark, MO, US, 65721 Buffalo, MO, US, 65622 Sedalia, MO, US, 65301 Princess Anne, MD, US, 21853 Billings, MO, US, 65610 Hollister, MO, US, 65672 Hannibal, MO, US, 63401 Pine Bluff, AR, US, 71601 Pikeville, KY, US, 41501 Bolivar, MO, US, 65613 Fall River, MA, US, 02721 Greenfield, MO, US, 65661 Hawkins, TX, US, 75765 Harrisburg, IL, US, 62946 Elk Mound, WI, US, 54739 Lynch Station, VA, US, 24571 Butler, MO, US, 64730-0209 Merrick, NY, US, 11566 White Hall, AR, US, 71602 Keene, NH, US, 03431 Bryson, TX, US, 76427 Kirksville, MO, US, 63501 Gainesville, GA, US, 30501 Rice Lake, WI, US, 54868 Chillicothe, MO, US, 64601 Platte City, MO, US, 64079 Riverton, KS, US, 66770 Seneca, MO, US, 64865 Concord, NH, US, 03301 Maryville, MO, US, 64468 Windsor Locks, CT, US, 06096-2335 Goodyear, AZ, US, 85395 Herbert, SK, CA, S0H 2A0 Pierce City, MO, US, 65723 Saint John, New Brunswick, CA, E2K 2Y6 Aurora, MO, US, 65605 Louisa, KY, US, 41230 Fall River, MA, US, 02724 Ste. Brigitte des Saults, Quebec, CA, J0C 1E0 Caruthersville, MO, US, 63830-1133 Ste. Catherine, Quebec, CA, J5C 1L9 Baxter Springs, KS, US, 66713 Girard, IL, US, 62640 Carefree, AZ, US, 85377 Caribou, ME, US, 04736 Minonk, IL, US, 61760 Bolivar, MO, US, 65613 Charlestown, NH, US, 03603 Metropolis, IL, US, 62960 Vandalia, IL, US, 62471 Gravette, AR, US, 72736 Fall River, MA, US, 02721 Tyrone, PA, US, 16686 Joplin, MO, US, 64804 Downey, CA, US, 90241 Malden, MO, US, 63863 Joplin, MO, US, 64804 Dorchester, WI, US, 54425 Nashua, NH, US, 03060 Hewlett, NY, US, 11557 Lebanon, NH, US, 03766-2637 Gold Canyon, AZ, US, 85218 Salem, NH, US, 03079 Reeds, MO, US, 65737 Saint-Gédéon, Quebec, CA Litchfield Park, AZ, US, 85340 Ash Grove, MO, US, 65604 LaRussell, MO, US, 64862 Ozark, MO, US, 65721 Anderson, MO, US, 64851 Henrietta, MO, US, 64036 Joplin, MO, US, 64801 Sea Cliff, NY, US, 11579-1926 Buford, OH, US, 45171 Manchester, NH, US, 03101 Westover, MD, US, 21871 Asbury, MO, US, 64832 Marshall, MO, US, 65340 Granby, MO, US, 64844 Columbus, GA, US, 31901 Nixa, MO, US, 65714-7969 Fredericton, New Brunswick, CA, E3B 7G5 Ozark, MO, US, 65721 Noel, MO, US, 64854 Pine Bluff, AR, US, 71601 Branson, MO, US, 65616 Keokuk, IA, US, 52632 Clinton, MO, US, 64735 Newburgh, NY, US, 12550 Massena, NY, US, 13662 Forsyth, MO, US, 65653 Tinker, New Brunswick, CA, E7H 5A8 Ogdensburg, NY, US, 13669 Ashland, KY, US, 41101 Joplin, MO, US, 64801 Sanger, CA, US, 93657-0397 Mayer, AZ, US, 86333 Mont-Laurier, Quebec, CA, J9L 2A2 South Lake Tahoe, CA, US, 96150 Alma Center, WI, US, 54611 Joplin, MO, US, 64818 St. Raphael, Quebec, CA, G0R 4C0 Surprise, AZ, US, 85387 Fall River, MA, US, 02720 Apple Valley, CA, US, 92308 St. Leon, MB, CA, R0G 2E0 Blackstone, MA, US, 01504-2215 Neosho, MO, US, 64850 Republic, MO, US, 65738 Commerce, OK, US, 74339 Stockton, MO, US, 65785 Humansville, MO, US, 65674 Sikeston, MO, US, 63801 Tilton, NH, US, 03276 Taft, CA, US, 93268 Sierra Vista, AZ, US, 85635 Strafford, MO, US, 65757 Jackson, MO, US, 63755-0268

Our purpose is sustaining energy and water for life, and it is demonstrated in everything we do as a business, and as an employee team.

At Liberty, we hire passionate people who care about doing the right thing for our customers. We are entrepreneurial, creative, and outcome-focused. Here, your natural talent and achievements will flourish in an inclusive environment of teamwork, trust and continuous learning. We are always pursuing excellence to exceed our ambitions goals, rewarding both the goal outcome and how we achieve it. 



As an Operational Technology (OT) Security Engineer at Liberty, you will be engaging directly with enterprise and regional OT operators and infrastructure resources to support Liberty’s critical infrastructure operations. You will be instrumental in designing and implementing OT technologies with a security-by-design methodology. You will develop solutions to meet emerging business requirements, while optimizing the existing operational technology across the enterprise. As a seasoned OT security practitioner, you will drive the security requirements, objectives, and be able to clearly articulate those elements both verbally and in a written-format. This may occur through business case and charter development, security and risk assessment reports, architecture reviews, and project workshops. You will work with a highly dynamic team supporting critical infrastructure utilities on an international stage covering multiple commodities (electric, gas, water).


Extensive Operational Technology (OT) experience is a REQUIREMENT. Candidates must have a demonstrated history in OT security design frameworks, architectures, and standards. Candidates should be well-versed in understanding frameworks such as the Purdue Enterprise Reference Architecture (PERA), IEC 62443, NIST 800-82, NERC CIP, TSA Pipeline, API 1164, and FERC Dam Safety.




  • Ensure Liberty’s OT systems and solutions adhere to industry security standards based on NERC-CIP, ISA99/IEC 62443, NIST Special Publications and compliance requirements.
  • Support the design and implementation of Liberty OT solutions in partnership with Liberty OT Infrastructure team and regional OT operators and system owners.
  • Support business-led initiatives to provide cybersecurity, compliance and risk mitigation recommendations throughout project lifecycles.
  • Integrate cybersecurity requirements within production engineering and operational work processes, tools, standards, and procedures.
  • Document and define systems security plans for new and existing systems supporting Liberty OT environments.
  • Develop, draft, and prepare business cases and charters for OT security projects.
  • Act a subject matter expert regarding all OT security related tasks supporting OT infrastructure, OT compliance, and the various lines of the business.

Education and Experience


  • Education: Bachelor's degree in Computer Science, Electrical/Electronic Engineering, Information Technology, or another related field; or an associate degree plus five (5) years of related IT experience 
  • Minimum of five (5) years of experience with ICS/OT Engineering and IT experience.
  • Experience with ICS/OT cybersecurity and intricate knowledge of industry standards: NERC-CIP, ISA99/IEC 62443, NIST CSF.
  • Certifications are STRONGLY preferred: Global Industrial Cyber Security Professional (GICSP), GIAC Critical Infrastructure Protection (GCIP), Certified Information Systems Security Professional (CISSP).
  • Solid understanding of Industrial Control Systems.
  • Demonstrated history supporting SCADA, ICS, & EMS
  • Solid understanding of Cybersecurity.
  • Effective written and verbal communication skills that demonstrate fluency in the languages used by OT and IT.
  • Cybersecurity incident response and root cause analysis.
  • Strong problem-solving, data analysis and data correlation skills
  • Swift decision making and judgement abilities
  • Well-versed in security rules, regulations and standards

Candidate must be a United States Citizen with the ability to obtain and maintain a U.S Government Security ( or L) Clearance. 


Algonquin Power & Utilities Corp. is a growing renewable energy and utility company with over $15 billion of assets across North America and internationally.

For more than 30 years, Algonquin has demonstrated an unwavering commitment to delivering clean energy and water solutions. Our rapid growth has led both our regulated utility services and renewable energy business groups into different geographies and commodities, but our purpose remains unchanged – Sustaining Energy and Water for Life.

Through our operating business (Liberty), we provide regulated electricity, water, and natural gas utility services to over 1 million customer connections, primarily in North America. And, our growing portfolio of clean, renewable wind, solar, hydro and thermal power generation facilities represent over 3 GW of renewable generation capacity in operation and under construction.

With our robust, diversified, and growing presence in communities across North America and internationally, we are continually demonstrating our “Think Global,  Act Local” business model.

What we offer

Company funded Pension program

401k with Company match

Full insurance benefits (health/dental/vision/life)

Collaborative environment with a genuine flexible working policy

Share purchase/match plan

Defined Contribution savings plan

Top Talent Program

Volunteer paid days off

Employee Assistance Program

Achievement fund

Free parking, including free electrical charging


We are focused on building a diverse and inclusive workforce.  If you are excited about this role and are not certain you meet the all the qualification requirements, we encourage you to apply to further investigate the opportunity.

We are an equal opportunity employer and value each person’s unique background, diversity, experiences, perspectives and talents. Full participation of all employees in a safe, healthy and respectful environment is key to individual and company success. We are committed to fully utilizing the abilities of all of our employees and expect each of our employees to honor this commitment in their daily responsibilities.

Nearest Major Market: Boston

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