Infrastructure Architect

Job#: 3019264

Job Description:
OT Infrastructure Architect - Job Description
Overview

We are seeking an experienced OT-Focused Infrastructure Architect to design and optimize the architecture supporting critical operational technology (OT) environments. This role centers on understanding how systems interact, ensuring resiliency for critical control assets, and architecting secure, stable, and well-segmented infrastructures across Windows, Linux, and Azure-based environments.

While this position requires a solid grounding in cyber principles, you will partner closely with a dedicated cyber infrastructure team.

Duration: 12 Month contract

Rate: Negotiable
Top Requirements

• SAFe Agile experience
• Operational Technology (OT) expertise, particularly within environments such as Honeywell or DeltaV
• Infrastructure Architecture background across:
  • Windows & Linux systems
  • Azure cloud
  • Networking & system integrations

Key Responsibilities

• Architect and implement OT and IT infrastructure that supports and protects critical operational systems.
• Define system-to-system interactions, data flows, and integration patterns to ensure a cohesive, high-performing OT environment.
• Design secure network architectures to minimize exposure, enhance segmentation, and support OT resiliency.
• Collaborate with cyber teams to incorporate security best practices while focusing on infrastructure design and reliability.
• Lead technical teams in installing, configuring, and maintaining infrastructure components.
• Monitor system performance, identify potential risks, and implement improvements to increase stability and fault tolerance.
• Develop comprehensive documentation covering architecture diagrams, operational procedures, and future-state design recommendations.

Required Skills & Experience

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Professional certifications such as:
  • Microsoft Certified: Azure Solutions Architect Expert
  • AWS Certified Solutions Architect (preferred but not required)
• Extensive knowledge of:
  • Infrastructure hardware and software
  • Networking and segmentation best practices
  • Windows and Linux operating systems
  • Security fundamentals applicable to OT and critical infrastructure
• Experience working with cloud platforms (Azure required; AWS/Google Cloud Platform beneficial).
• Several years of experience in infrastructure architecture, preferably supporting OT, industrial control systems, or other mission-critical environments.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.