Senior Operational Technology Incident Response Engineer

Summary

Join GuidePoint Security as a Senior Operational Technology (OT) Incident Response Engineer to lead complex OT incident-response engagements, perform in-depth forensics, and help clients quickly resolve threats in critical infrastructure environments. You will collaborate with the Digital Forensics & Incident Response (DFIR) practice, offering OT expertise and ensuring comprehensive client support. Your technical skills and creativity will be vital in developing service offerings and mentoring team members. You will also contribute to research and publications on OT IR trends. This role requires strong client relationship skills and the ability to manage multiple projects effectively. GuidePoint offers a remote-work environment and various benefits.

Requirements

• Solid understanding of ISA/IEC 62443, NIST 800-82, NIST-CSF, NERC CIP, Purdue Model
• 3+ years dedicated to OT security
• At least 2 years leading or co-leading live OT/ICS incident-response engagements
• 2+ years in a client-facing consulting or services role
• Proven ability to lead engagements and provide technical oversight to analysts
• Deep knowledge of OT/ICS attack lifecycles, ransomware impacts on industrial processes, and relevant threat frameworks (e.g., ATT&CK for ICS)
• Hands-on experience with OT visibility/security platforms (Dragos, Claroty, Nozomi, Forescout, Armis, Tenable OT, Fortinet OT, etc.)
• Competence in packet analysis (Wireshark), log analytics (ELK, Splunk), memory forensics (Volatility, Rekall), and scripting for automation (Python, PowerShell, or Go)
• Strong written communication; reports generally need minimal editing before client delivery
• Ability to manage multiple workstreams, meet deadlines, and calmly navigate demanding client situations
• Passion for continuous learning, adaptability, and contributing to a high-performance team culture

Responsibilities

• Deliver OT IR services Immediate on-site/remote IR, compromise assessments, and root-cause analysis
• OT-focused digital forensics (PLC, historian, HMI, network captures, log review)
• Tabletop exercises and purple-team simulations for OT environments
• Development and validation of ICS/SCADA IR playbooks, runbooks, and detection logic
• OT threat-hunting and proactive compromise assessments
• Coordinate closely with DFIR counterparts to exchange findings, integrate evidence, and maintain a unified incident narrative
• Author clear, actionable deliverables that explain technical findings, business impact, and pragmatic remediation steps for executive and technical audiences
• Advance the practice by contributing research, conference talks, blogs, and white papers on OT IR trends, malware, and defensive techniques
• Strengthen skills continuously to stay at the forefront of OT threat TTPs, tooling, and defensive controls
• Foster strong client relationships through collaborative communication and high-impact guidance
• Perform other duties as assigned

Preferred Qualifications

• 5+ years combined experience across IT/OT networking, security monitoring, or digital forensics preferred
• Preferred certifications: GIAC GRID, GCIP, GCFA, GICSP, or equivalent practical expertise
• Demonstrated community involvement (conference speaker, white paper author, podcast guest) strongly preferred

Benefits

• Remote workforce primarily (U.S. based only, some travel may be required for certain positions, working on-site may be required for Federal positions)
• 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) and GPS will contribute in one lump sum: ($500 per EE annually / $1000 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