1mo
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OT Security Engineer
Oakland or United States
RemoteFull Time
3+ YOE3–5+ years OT/ICS/SCADA security; BS in Electrical/Computer Engineering or Cybersecurity; strong NERC CIP experience; OT networking and ICS protocols knowledge; SIEM experience; certifications such as GICSP, CISSP, or ISA/IEC 62443 preferred; valid driver’s license and willingness to travel.
EDR, SIEM, Modbus, DNP3, SEL, VLANs, L2/L3 switching, firewalls, DMZ, certificate-based authentication
1w
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Ethical Hacker - OT Security
Canada or Texas
$80k-$120k/yr RemoteFull Time
3+ YOE3+ years OT/ICS/SCADA experience, degree in Information Security or Computer Science preferred, professional security certifications preferred (GICSP, GRID, GCIP, CSSA, CACE, CISSP, OSCP), strong communication and judgment.
3mo
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OT Network Security Engineer
United States
$120k-$140k/yr OnsiteFull Time
5+ YOE5+ years in network administration/security, OT/SCADA experience, vendor device management, security/compliance, 24/7 on-call experience, strong communication.
CCNA, CompTIA Network+, CCNP
2w
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OT Security Response Engineer
Cambridge or United States
$146k-$234k/yr HybridFull Time
6+ YOEBachelor's/Master's in CS or related, 6+ years in cybersecurity/IT with incident response/threat detection experience; hands-on Splunk, Defender, CrowdStrike; OT/ICS knowledge and cloud security familiarity.
Splunk SIEM, Splunk Enterprise Security (ES), Nozomi, CrowdStrike Falcon, Microsoft Defender, AWS, Azure, GCP, MITRE ATT&CK, NIST, CIS
2mo
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Senior/Staff/Principal SWE - OT Security Engineering
New York, New York, United States
RemoteFull Time
Hands-on experience building/operating secure remote access systems in OT/ICS; OT domain knowledge; strong systems programming; networking and identity fundamentals; familiarity with Purdue model and OT protocols.
Go, Rust, TCP/IP, TLS, SAML, OIDC, PKI, Modbus, DNP3, OPC-UA, EtherNet/IP
1mo
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Manager, OT Security & Compliance
Austin, Texas, United States
OnsiteFull Time
7+ YOE3+ Mgmt7+ years OT/ICS cybersecurity experience with NERC CIP program ownership, 3+ years compliance leadership, active security certification (GICSP, CISSP, CISM, or GIAC), bachelor’s in CS/IS/Engineering or 10+ years equivalent, hands-on Splunk/Nessus/Tenable/Tripwire experience.
Splunk, Nessus, Tenable, Tripwire, AssurX, ChangeGear, ServiceNow
3mo
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OT Security Engineer II - Clinton, IA
Clinton or Columbus or Marshall
$84k-$135k/yr OnsiteFull Time
Bachelor's in a technical discipline, experience with enterprise technology operations, vulnerability management, endpoint/anti-virus management, security policy and ACLs in OT/process zones, ability to support 24/7 plant operations and travel/on-call as needed.
Endpoint Protection, anti-virus software, iDMZ, ACL, Active Directory, Rockwell, Emerson DeltaV, Valmet (Novatech) D/3
1w
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Mfg Platform OT Cyber Security Engineer
Redford Charter Township, Michigan, United States
$74k-$166k/yr HybridFull Time
5+ YOEBachelor's in CS/Engineering/Cyber Security,5+ years manufacturing/plant-floor experience,knowledge of industrial automation (PLCs,CNCs,HMIs,SCADA),industrial networking,Windows/Linux,and OT cyber security frameworks.
PLCs, CNCs, HMIs, SCADA, Windows, Linux, Microsoft Office, IEC 62443, Purdue Model, Zero Trust
1w
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Mfg Platform OT Cyber Security Engineer
Redford, Michigan, United States
$74k-$166k/yr HybridFull Time
5+ YOEBachelor's degree in CS/Engineering/Cyber Security,5+ years manufacturing/plant-floor experience,knowledge of PLCs/CNCs/HMIs/SCADA,industrial networking,Windows/Linux,OT cyber security and documentation skills.
PLCs, CNCs, HMIs, SCADA, switches, routers, firewalls, Windows, Linux, Microsoft Office, IEC 62443, Purdue Model, Zero Trust
1mo
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Remote Operations Center OT Security Analyst (Overland Park, KS, US)
Overland Park, Kansas, United States
OnsiteFull Time
Experience protecting OT/ICS environments, monitoring OT networks, managing PLC/RTU/DCS vulnerabilities, familiarity with OT security tools (Dragos, Nozomi, Claroty, Tenable), Microsoft Office and HMI platforms; high school diploma required; 3+ years in IT and industrial environments preferred.
Dragos, Nozomi, Claroty, Tenable, Microsoft Office, PLC, RTU, DCS, HMI, Intrusion Detection Systems (IDS)
3mo
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OT Engineer
Austin, Texas, United States
HybridFull Time
3+ YOE3–5+ years in cybersecurity, infrastructure engineering, or OT/ICS environments; IoT/OT security experience; Bachelor’s degree in related field or equivalent experience.
IoT security, OT security, ICS, firewalls, secure remote access, network segmentation
3mo
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OT Engineer
Austin or Temple
HybridFull Time
3+ YOEBachelor’s degree in Cybersecurity, Computer Science, Engineering, or related field; 3–5+ years in cybersecurity/OT/ICS; hands-on IoT/OT security; strong network segmentation and collaboration skills.
IoT security, OT/ICS security, Network segmentation, Firewalls, Secure remote access
1mo
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DHS Sr. Operational Technology (OT) Security Engineer
Washington, District of Columbia, United States
$195k-$225k/yr OnsiteFull Time
12+ YOETS/SCI clearance and 12+ years OT engineering/security experience in DoD/Federal settings; expertise with NIST SP 800-82 and ISA/IEC 62443; BS in Cyber Security preferred or equivalent experience; advanced security certifications (CRISC, CISSP, CASP, GISP) preferred.
Federal Information Security Modernization Act (FISMA), Risk Management Framework (RMF), NIST SP 800-82, ISA/IEC 62443, CISA Cybersecurity Alerts & Advisories
4d
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OT Reviewer
Annapolis Junction, Maryland, United States
$146k-$234k/yr OnsiteFull Time
12+ YOEU.S. citizen with active Top Secret clearance (ability to obtain/maintain SCI). Advanced cyber experience (12+ years with BS/BA or equivalent), cross-certification across network, cloud, virtual infrastructure, and OT/ICS domains; familiarity with DISA OT STIGs, vulnerability scanning, DNS, Exchange, Oracle/SQL, Windows/UNIX; desired Security+/GSEC...
DISA OT STIGs, Vulnerability Scan Procedures Guide, DNS, Exchange Server, Oracle, SQL, BlackBerry Enterprise Server (BES)
1mo
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Senior Information Security Engineer - OT/IoT & Operational Technology (OT) Security
Suwanee, Georgia, United States
OnsiteFull Time
10+ YOE10+ years cybersecurity experience with strong network/systems/OT security engineering background; experience securing industrial/IoT/critical infrastructure, familiarity with PLCs/SCADA/BMS/EPMS/DCIM and industrial protocols; OT segmentation, vulnerability management, incident response, and cross-functional collaboration.
PLCs, SCADA, BMS, EPMS, DCIM, Modbus, BACnet, DNP3, SIEM, SOAR, EDR, IDS/IPS, firewalls, NAC, microsegmentation, Python, PowerShell, threat intelligence platforms, NIST CSF, NIST 800-82, IEC 62443, CIS, SOC 2, PCI
3w
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OT Cyber Security Lead
Phoenix or Scottsdale
$135k-$175k/yr RemoteFull Time
Experience with utility-scale network and SCADA design, NERC CIP understanding, troubleshooting in factory/commissioning environments, technical documentation skills, and a related bachelor's degree.
SCADA, HMI, Fortinet, FortiGate, FortiManager, Cisco, VMware, Windows, Linux
1mo
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Manager, OT Cybersecurity
Manassas, Virginia, United States
OnsiteFull Time
7+ YOEBachelor's in CS/IT required; 7+ years cybersecurity experience with 3+ years in OT/ICS; experience managing technical teams; knowledge of NERC CIP/NIST, ITIL, SCADA, SIEM, and OT security tools; CISSP/CISM/CRISC/CSSA/SCADA preferred.
Tableau, Power BI, SIEM, SCADA, ITIL
3mo
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Director, IT & OT Security Operations and Governance (Carrollton, GA, US, 30119)
Carrollton, Georgia, United States
OnsiteFull Time
8+ YOEBachelor's degree; 8-11 years in cybersecurity IT/OT; CISSP/CISM/CRISC preferred; OT/ICS security certifications.
1mo
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Senior Security Consultant, Operational Technologies (OT)
United States or Canada or Brazil or Spain or United Kingdom
$100k-$175k/yr RemoteFull Time
5+ YOE5+ years in offensive security with 2–3 years focused on OT/ICS; hands-on OT testing, threat modeling, and embedded device analysis; Bachelor's degree in engineering/CS or equivalent; willingness to travel ~30% and obtain security clearances.
1w
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Senior IT/OT Engineer
Albany, New York, United States
OnsiteFull Time
5+ YOE5+ years IT/OT networking experience, BS in Engineering, experience with GMP networks, PLC/HMI/SCADA connectivity, knowledge of network security and redundancy, CCNA and Security+ preferred.
Cisco, Programmable Logic Controller (PLC), Human Machine Interface (HMI), Supervisory Control and Data Acquisition (SCADA)
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