OT Network & Systems Administrator III

Ulteig•,

3d•$93,800 - $126,700•Hybrid

About The Position

The OT Network & Systems Administrator III is an experienced technical contributor who leads the execution of complex OT networking and systems assignments. The role independently develops solutions for ambiguous technical problems, provides project-level technical leadership, reviews the work of others, and mentors less experienced administrators while supporting SCADA and data historization solutions in various environments.

Requirements

Bachelor’s degree in a related field with progressive experience; associate degree with substantial network or systems experience; or an equivalent combination of education, certification, and experience.
Advanced knowledge of networking, firewall administration, routing, switching, VPN technologies, and secure OT network practices.
Advanced knowledge of physical and virtual server environments, virtualization, storage, recovery, and related infrastructure.
Demonstrated ability to independently resolve complex technical issues and lead defined project work.
Demonstrated ability to mentor or provide technical guidance to less experienced professionals.
Strong communication skills and the ability to build responsive, positive relationships with clients and internal partners.
Ability to collaborate effectively with engineering and other disciplines on multidisciplinary projects.
Attention to detail, sound time management, and accountability for quality and delivery commitments.
Ability to travel to client and project sites in the United States and Canada as required, subject to applicable work authorization and company travel standards.
Commitment to adopting evolving technology and AI tools responsibly to improve workflows, solve problems, and support continuous improvement.

Nice To Haves

Relevant professional certifications such as CCNP, Fortinet, Palo Alto, VMware, Linux, ISC2, or comparable credentials.
Experience in electric utility, renewable power, water, or other industrial environments involving SCADA devices or protective relays.
Knowledge of NERC CIP requirements and their impact on business and IT/OT processes and systems.
Knowledge of industrial protocols and physical communication media, including DNP3, Modbus, IEC 61850, TCP/UDP, RS-232, RS-485, copper, and fiber.
Experience with technologies such as Cisco, SEL, Fortinet, Palo Alto, Antaira, Sierra Wireless, VMware, Hyper-V, Wireshark, Linux, Visio, PuTTY, and SolarWinds.

Responsibilities

Lead technical execution for complex OT network and systems assignments and serve as technical lead for small to medium-sized projects or defined workstreams.
Develop network designs and technical recommendations that address complex client requirements, cybersecurity considerations, system interfaces, reliability, and maintainability.
Configure and troubleshoot advanced firewall, switching, VPN, routing, server, virtualization, storage, and recovery solutions.
Lead resolution of difficult network integration, communications, and server issues and coordinate technical input across disciplines.
Evaluate project-specific cybersecurity risks and apply approved controls to address current and emerging threats.
Support project scoping, estimating, proposal development, and other business development activities within the area of expertise.
Review network designs, configurations, test plans, and technical documentation prepared by less experienced administrators.
Lead or facilitate factory acceptance testing, quality reviews, and technical issue resolution for assigned projects.
Mentor and support onboarding of less experienced administrators through coaching, knowledge sharing, and constructive review.
Recommend improvements to department tools, templates, technical procedures, and implementation practices.
Monitor relevant industry practices and technology developments and share practical implications with the team.
Build trusted client relationships and communicate technical risks, recommendations, and decisions clearly.