Sr Operational Technology Engineer

Lead as Sr. Operational Technology Engineer in Denver, Colorado, United States. Ensure OT systems' performance, cyber security, and compliance. Drive technology improvements and support business growth.

Denver, Colorado, United States  UTC-05:00 — UTC-07:00   Hybrid   Full Time   1001-5000   USD 119k–141k   2 months ago

We are committed to building a workplace where everyone feels heard and respected, and extending our culture of care so that every individual can reach their full potential. We want you to have a sense of belonging and feel valued for your contributions and the perspectives you bring.


The Sr. Operational Technology Engineer role will play a key part in expanding RES portfolio of assets and services in the Americas. The Operational Technology (OT) environment is critical to how RES delivers its core business services; this role is vital to ensuring OT serving the Americas region is maintained and adapted to support business change, by ensuring:

  • OT systems and infrastructure performs and scales to support business growth.
  • Effective data acquisition, system resilience and cyber security capabilities are inherent in OT system design and operation.
  • OT standardization and simplification practices are progressively established globally.
  • OT improvement projects are effectively supported in terms of technology delivery into operations.
  • OT systems are maintained in compliance with relevant technology regulations and standards.
  • Technology and service cost optimization measures are continually assessed and practiced.


  • Undertakes Incident response and resolution for RES owned or maintained central and site-based OT systems to uphold agreed service levels.
  • Supports the effective execution adoption of new generation sites into operational OT support.
  • Delivers cost effective and efficient system administration activities covering the general maintenance, repair, back-up and upgrade of RES managed site-based OT / SCADA systems.
  • Assesses third party (including original equipment manufacturer ‘OEM’) proposed SCADA system or infrastructure changes and upgrades to ensure compatibility with RES and other site level OT systems.
  • Provides OT system upgrade recommendations to Clients demonstrating the operational, security and financial benefits.
  • Supports the OT related development of the RES platform and software products such as UNO and Smart respectively.
  • Assists the development of architecture standards for OT globally and their practical application into technology design and deployments.
  • Maintains, along with team members, a knowledge management repository for OT system and infrastructure to uphold service levels on change delivery and operational support.
  • Report on OT systems operational performance in terms data acquisition and system and infrastructure reliability within the OT Team and to key America’s business.
  • Attends work regularly and punctually, as scheduled or expected.
  • Complies with Employee Handbook, Code of Conduct and Company Policies & Procedures.

Additional Responsibilities

  • Presents, supports, and leads-by-example with a safety and quality-oriented attitude.
  • Assists the identification and introduction of new technologies to enhance OT resilience and business growth.
  • Supports regular reporting to track operational performance in terms data acquisition and OT system and infrastructure reliability.
  • Oversees security penetration testing of OT systems and infrastructure to ensure the effective management and remediation of any resulting improvement actions.

Knowledge, Skills, and Abilities

  • Extensive knowledge of cyber security and networking in relation to OT systems and infrastructure.
  • Extensive knowledge of good practice design, implementation and operation of OT environments at operational sites and using Azure cloud-based services.
  • Knowledge of IT governance processes covering financial management, project management, compliance and IT risk management.
  • Excellent knowledge and experience of delivering and supporting large scale OT infrastructure changes.
  • Proven experience of managing and partnering with 3rd party suppliers.
  • Awareness and understanding of Cyber security principles, frameworks and standards e.g. ISO27001, NERC-CIP and NIST-CSF.
  • Proven ability to use a ‘business outcome’ approach and style to delivering technology change.
  • Proven ability to engage, build strong relationships, influence, and partner with stakeholders across functions and geographies.
  • Ability to quickly build the confidence in senior managers and peers; demonstrates capability.
  • Demonstrates passion about technology and how it can improve business resilience.
  • Strong, proven technical delivery skills; unafraid of making decisions and happy to take accountability.
  • Demonstrates integrity, respect toward others and the RES values. Intuitive, whilst displaying gravitas and credibility.
  • Extensive experience and track record working in the design and support of enterprise and OT infrastructures and related cyber security systems.
  • Highly capable, all-round technologist, preferably in the B2B sector, with experience of change and transformation.
  • Experienced gained in the Construction, Utilities or a project-based business.
  • Extensive experience in dealing with senior managers and exceptionally customer focused.
  • Demonstrated deep knowledge of technical/Infrastructure architectures and standards.
  • Experience of deploying and supporting leading Cyber Security and network infrastructure technologies such as firewalls, routers, switches, vulnerability scanners and authentication services.
  • Excellent track record of bringing innovative ideas that deliver a competitive edge in terms of process and efficiency.
  • Developed and delivered OT changes that have driven business growth.
  • Functional competencies in excellence, responsibility/stewardship, customer focus, attention to detail, and collaboration.


  • Bachelor’s degree in OT/IT or certification in OT/IT engineering, preferred.
  • Certification in architecting, deploying, and securing enterprise or OT-related cloud platforms including Azure, AWS, and Google, preferred.
  • Vendor qualifications or equivalent in leading firewall and networking technologies including Fortinet and Cisco.
  • 5 or more years’ experience in solid foundation spanning, with a broad awareness of OT or IT, also spanning Build and Run/Service Delivery, required.
  • 3 or more years’ experience working geographically distributed teams, preferred.
  • 3 or more years’ experience managing cyber security arrangements in IT or OT environments, preferred.
  • Ability to travel 5 to 15% domestically and internationally.

Anticipated base salary range

$119,000 - $141,000

The final agreed upon compensation is based on individual education, qualifications, experience, and work location. This position is bonus eligible.

RES offers benefits that are effective first day of employment. These benefits include the following:

  • Medical, Dental and Vision
  • Health Savings Account with employer contribution
  • Flexible Spending Accounts
  • 4x pay Basic Life and Voluntary Life
  • Short and Long Term Disability
  • Accident, Hospital, and Critical Illness
  • 401 (k) plan with 6% company match
  • 4 weeks Paid Time Off (PTO) and 10 Paid Holidays
  • Tuition Reimbursement and Green Car Reimbursement
  • Volunteer and Charity Matching
  • Paid Parental Leave and Paid Sabbatical Leave
  • Employee Referral Bonus
  • Employee Discounts and Wellness programs
  • Wellness Reimbursement

Physical requirements and environment

The work environment and physical demands characteristics are representative of those the employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is:

Rarely: crouching, kneeling, and stooping required.

Occasionally: carrying, pulling, pushing, and lifting 5 to 15 pounds; climbing, gripping, handling, pinching, repetitive motion, standing, and walking required.

Frequently: grasping and reaching required.

Constantly: reading, hearing, vision, and sitting required.

The employee is rarely exposed to extreme cold, extreme heat, humidity, wet, and noise in the work environment.

We maintain a drug-free workplace. Candidates will be required to pass a pre-employment background investigation and drug test as a condition of employment.

RES is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws.

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About the role

Apr 10, 2024

Full Time


Oct 08, 2024


USD 119k–141k

Denver, Colorado, United States

Mid-Senior level

UTC-05:00 — UTC-07:00

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