Principal OT Security Engineer

GuidePoint Security

Principal OT Security Engineer securing Operational Technology for GuidePoint Security. Leading OT security engineering and fostering client relationships in cybersecurity solutions.

Posted 7/9/2026full-timeRemote • 🇺🇸 United StatesLeadWebsite

About the role

Key responsibilities & impact

Lead and oversee OT security engineering engagements, including deployment and optimization of OT security tools, health-checks of existing OT security programs, driving configuration and architecture decisions in collaboration with clients and vendors, and leading OT security architecture assessments
Define and advance GuidePoint's OT service delivery methodology, setting technical standards and quality benchmarks for the broader OT practice
Author and review comprehensive services deliverables that are proficiently tailored to both technical and executive audiences, fully detailing technical execution, core deficiencies, business impact, and strategic remediation roadmaps
Serve as a subject matter expert (SME) and final technical escalation point for complex OT engagements across the practice
Perpetually strengthen and disseminate relevant skills, knowledge, and capabilities to keep GuidePoint and its clients at the forefront of the OT security industry
Cultivate and expand senior client relationships, acting as a trusted advisor to client leadership and representing GuidePoint at the highest levels
Drive cross-functional collaboration to mature and differentiate GuidePoint's OT service offerings in alignment with the SANS Five ICS Critical Controls and other leading frameworks
Contribute to business development through thought leadership, conference presentations, whitepaper authorship, and active participation in pre-sales and proposal activities
Embraces emerging technologies, including AI tools, to work smarter, solve problems, and drive better business outcomes.

Requirements

What you’ll need

Deep knowledge of the Purdue Model Framework and PERA architecture
Minimum of ten (10) years of experience performing security services related to OT
Minimum of seven (7) years of hands-on experience architecting, designing, deploying, and operationalizing OT security tools such as Claroty, Dragos, Forescout, Nozomi, Tenable OT, or equivalent; vendor certifications strongly preferred
Ten or more (10+) combined years of OT network architecture and security design experience required
Demonstrated Operational Technology Penetration Testing (OTPT) experience required
SANS GICSP, GRID, or equivalent advanced OT/ICS security certification required; multiple certifications strongly preferred
Expert-level knowledge of ISA/IEC 62443, NIST CSF/SP 800-82, SANS ICS Critical Controls, TSA Directives, NERC CIP, and other OT best practice security frameworks required

Benefits

Comp & perks

Group Medical Insurance options: Zero Deductible PPO Plan (GuidePoint pays 90% of the premium for employees and 70% for family plans (spouse/children/family) or High Deductible Health Plan with HSA (GuidePoint pays 100% of the employees premiums and 75% for family plans (spouse/children/family). If you choose the High Deductible / HSA plan, GPS will contribute in 4 equal quarterly installments: ($850 per EE annually / $1750 per family annually (includes spouse/children/family options)
Group Dental Insurance: GuidePoint pays 100% of the premium for employees and 75% of family plans
12 corporate holidays and a Flexible Time Off (FTO) program
Healthy mobile phone and home internet allowance
Eligibility for retirement plan after 2 months at open enrollment
Pet Benefit Option

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

OT Security Tools DeploymentOT Network ArchitectureSecurity Design ExperienceConfiguration ManagementTechnical Standards DevelopmentHealth-Checks of OT Security ProgramsArchitecture AssessmentsStrategic Remediation RoadmapsCross-Functional CollaborationThought Leadership

Soft Skills

Client Relationship ManagementTrusted AdvisorCommunication SkillsCollaborationProblem Solving

Certifications

SANS GICSPSANS GRIDAdvanced OT/ICS Security Certification