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OT Network & Systems Administrator III

Ulteig.com

91k - 123k USD/year

Hybrid

Remote, United States

Full Time

The Opportunity

Ulteig is currently seeking qualified candidates for the position of OT Network & Systems Administrator III working in the Automation, Integration, and System Protection (AISP) Department. The OT Network & Systems Administrator III is responsible for designing, programming, testing, and troubleshooting network equipment and servers to support our client’s needs. The primary designs support Supervisory Control and Data Acquisition (SCADA) and data historization in the renewable power and water industries.  Responsibilities will also include mentoring less experienced engineers and providing business development support.

What You'Ll Do

  • Design network infrastructure and make recommendations to support client needs. The network design tasks typically consist of the following elements:
  • Create Layer 1, 2, 3 drawings to depict the network
  • Create an IP address spreadsheet for all devices on the network
  • Define firewall rules to facilitate the necessary secure communication between devices
  • Configure firewalls, switches, and other devices per the designs
  • Field Support
  • Configure, test, and troubleshoot network equipment using industry best practices for secure networks.
  • Configure firewalls to allow only desired traffic between devices (common vendors are Fortinet, Cisco, Palo Alto)
  • Coordinate and troubleshoot VPN tunnels to allow remote traffic
  • Configure network switches (common vendors are Cisco, SEL, Antaira)
  • Support engineers and clients with communication issues as they arise
  • Configure client servers under the supervision of a Lead Administrator
  • Installation of operating systems (Windows and Linux)
  • Installation of SCADA applications (Ignition and others)
  • Installation of historian database (Microsoft SQL, MySQL, MariaDB)
  • Configuration of Virtual Machines
  • Configure Network Attached Storage (NAS) or recovery solutions
  • Take ownership of quality and participate in QC checks and factory acceptance tests of designs and configurations
  • Fosters strong client relationships, demonstrating responsiveness both within the organization and externally, with regular client engagement.
  • Prepare reports and correspondence concerning the direction of assigned projects

What We Expect from You

  • Bachelor’s degree in Telecommunications Engineering, Computer Engineering, Information Technology, or combination of education and experience in lieu of degree with relevant industry experience along with related professional network certifications (CCNP, Palo Alto PCNA, etc.)
  • The position is remote in nature with office space available in some areas if desired. Occasional travel to local panel shops and remote work sites is required (less than 15%)
  • Solid understanding of the OSI model
  • Strong communication skills required to maintain positive client relationships
  • Able to work closely and effectively with other disciplines on multi-discipline projects
  • Attention to detail and strong time management skills
  • Hands on experience with design, implementation, and maintenance of all aspects of network environment including routers, firewalls, switching and wireless.
  • Proficient understanding of setting up or overseeing physical or virtual servers, with a preference for experience in Hyper Converged Solutions or alternative redundant server configurations (such as VMware VSAN and others).

It is a plus if you have

  • Understanding and experience with NERC CIP standards and how the control environment impacts both the business and IT/OT processes and systems is preferred
  • Experience working in the electric utility industry or other industrial network environments with exposure to SCADA devices or protective relays is strongly preferred
  • Basic understanding of multiple communication protocols (DNP/Modbus/IEC61850/TCP/UDP) and physical communication mediums (RS232, RS485, copper, fiber, etc.) preferred
  • Experience with Cisco, SEL, Fortinet, Palo Alto, Antaira, Sierra Wireless, DELL products is preferred
  • Experience in Network security, Vulnerability management, Asset management, Network security architecture and Network hardening is preferred
  • Experience with the following is a plus: Wireshark, Linux, Cisco CLI, VMware, Visio, PuTTY, SolarWinds.

As you consider applying for a position at Ulteig, we encourage you to think outside the box – because we do! You might not meet 100% of the skills listed in a description, but we are committed to hiring people with exceptional talent, ability and potential, and then creating an environment where they can become the best versions of themselves. We don’t want to miss out on the possibility of speaking with the next outstanding Ulteig team member, so please apply if you think this role is a great match for your unique skills and strengths. And, yes, relevant military experience is absolutely considered for transitioning service members.

What You Can Expect from Ulteig

Ulteig is a purpose driven organization that has built a culture focused on people – both our clients and our employees –for over 80 years. Working at Ulteig is more than a job, opening opportunities to make an impact by creating and solving for a sustainable future. We recognize our success relies heavily on the dedication and focus of our workforce; this is why we make investing in our employees a top priority. We prioritize flexibility and staying connected to meet your needs and help you achieve your goals. We value your unique perspective, respect your individuality and celebrate your contributions. At Ulteig, we take our own success and the success of our clients personally.

  • We offer our team members:
  • Flexible Workplace
  • Employee Ownership
  • Competitive Pay
  • Comprehensive Benefits Package
  • Collaborative Environment
  • Innovative Culture


Our vision is to be the most trusted partners transforming our world’s critical infrastructure. Ulteig connects people and resources to develop compelling, integrated solutions across multiple Lifeline Sectors®, including Power, Renewables, Transportation and Water. Ulteig is a trusted partner in engineering North America’s essential infrastructure and leverages its expertise with a wide range of public and private clients.


At Ulteig, we care deeply about our team, listening to their needs and ensuring they have the tools necessary to be productive whether they choose to work remotely, hybrid or in office. Regardless of where you work, you are empowered to build a workday that best suits your strengths. We strive to ensure a balance and separation between home and work life. We support a flexible working schedule so employees are able to focus on what's important to them.
If you would like to be a part of a company that empowers their employees, apply today!

Ulteig is a Drug Free Workplace

Achieve | Grow | Collaborate

Additional Opportunity Details:
Target Base Compensation Range for this role is $91,100 - $123,000
* Factors that may be used to determine your actual salary include your job specific skills, education, training, job location, number of years of experience related to this role and comparison to other employees already in this role

This position will be posted for a minimum of 3 days and will continue to be posted for an average of 60 days until a qualified applicant is selected or the position has been cancelled.

Notice to Recruiters and Staffing Agencies: to protect the interests of all parties, Ulteig Engineers, Inc., will not accept unsolicited resumes from any source other than directly from a candidate or an approved vendor that has a written and signed agreement in place with Ulteig. Please do not contact or forward resumes to our company employees or locations. Any unsolicited resumes will be considered Ulteig property. Ulteig is not responsible for any charges or fees related to unsolicited resumes.

OT Network & Systems Administrator III

Hybrid

Remote, United States

Full Time

91k - 123k USD/year

October 7, 2025

company logo

Ulteig

Ulteig