30 ot security jobs at 20 companies in San Jose, CA
2mo
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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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Security Architect - IT/OT Modernization
Chicago or Los Angeles or New York City or San Francisco or Seattle or District of Columbia
$194k-$228k/yr OnsiteFull Time
7+ YOERequires 7–10+ years in security architecture or enterprise cybersecurity, IT/OT and ICS security expertise, cybersecurity tooling experience, regulated-industry experience, executive communication, and client travel availability.
SCADA, EMS, ADMS, DERMS, ERP, CRM, IAM, EDR, XDR, SIEM, SOAR, Dragos, DLP, SOC, NERC CIP, IEC 62443, NIST CSF, NIST 800-53, ISO 27001, AI/ML, Splunk, Microsoft Sentinel, Google SecOps, Palo Alto, ServiceNow SecOps, SailPoint, Okta, CrowdStrike
1d
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OT Transformation Security Manager (Remote)
United States or Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek
$80k-$294k/yr RemoteFull Time
10+ YOEBachelor's degree or equivalent experience; 10+ years in cybersecurity threat intelligence, 5+ years in OT security, and experience with industrial cybersecurity consulting, frameworks, threat hunting, networking, and SOC tools.
Operational Technology (OT), DOE C2M2, IEC-62243/ISA-99, NIST CSF, NERC CIP, SIEM
4w
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Security Engineer, Network
Austin or New York or San Francisco or Seattle or United States
$218k-$252k/yr OnsiteFull Time
Secure production networks at scale, design IT/OT segmentation, build flow-based detection, automate network security controls with infrastructure-as-code, and collaborate with network engineering.
Zeek, Suricata, BGP, NDR, OT, ICS
1mo
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Principal Security Researcher, OT/Healthcare
Santa Clara, California, United States
$163k-$263k/yr OnsiteFull Time
4+ YOE4+ years' hands-on experience; strong firmware/boot ROM reverse engineering, kernel internals and secure boot knowledge; hardware debugging (UART, JTAG, SWD, oscilloscopes, logic analyzers); programming in C/C++ and Python; strong communication skills.
ARM, MIPS, x86_64, UART, JTAG, SWD, oscilloscopes, logic analyzers, C/C++, Python, AI
1mo
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Network Security Engineer
Foster City, California, United States
$181k-$218k/yr HybridFull Time
6+ YOE6+ years securing enterprise, cloud, and OT environments; hands-on with next-gen firewalls, VPN/ZTNA, cloud networking, IaC (Terraform), Python, SIEM, and compliance (NIST/ISO).
AWS, GCP, CloudWAN, Palo Alto Networks, Fortinet, AWS NFW, WAFs, IDS/IPS, SIEM, NAC, 802.1X, PKI, VPN, ZTNA, Zscaler, Netskope, Prisma Access, Terraform, Python, CI/CD, REST APIs, BGP, OSPF, TLS, NAC
3d
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Principal Platform Security Architect
Sunnyvale or Austin
$250k-$300k/yr OnsiteFull Time
10+ YOERequires BS, MS, or PhD in a relevant field and 10+ years designing hardware and firmware security architecture for shipped silicon, including root of trust, secure boot, SPDM, DICE, and key management.
RTL, SPDM, Security Protocol and Data Model (SPDM), DICE, Device Identifier Composition Engine (DICE), OTP, OTA, OCP, Open Compute Project (OCP), DMTF, Distributed Management Task Force (DMTF), MCTP, Management Component Transport Protocol (MCTP), PLDM, Platform Level Data Model (PLDM), Caliptra, FIPS, Common Criteria, NIST SP 800-193, HSA
2mo
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Sr. Embedded Security Engineer
San Francisco, California, United States
$138k-$184k/yr OnsiteFull Time
6+ YOE6+ years in hardware security or embedded systems; hands-on experience with TPMs/HSMs, secure boot, OTA updates, OS hardening; strong C/C++, Rust, and Python skills; Yocto Linux and cryptography experience.
TPM, HSM, C, C++, Rust, Python, Yocto Linux, JTAG, SWD, UART, POSIX, OTA
5d
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Senior Network Security Engineer, Operational Technology
Livingston or New York City or Sunnyvale or Bellevue or San Francisco
$164k-$242k/yr OnsiteFull Time
5+ YOERequires 5+ years in network infrastructure security, programming or scripting proficiency, a computer science bachelor's degree, and expertise in firewalls, VPNs, segmentation, OT networks, and security risk management.
Go, Python, C, C++, HVAC, ACLs, network firewalls, virtual private networks
2mo
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US E-Consulting Services-Power and Utilities OT Operational Technology-Manager-Cyber/Enterprise Security-352459
Houston or Dallas or Cleveland or Detroit or St. Louis or Pittsburgh or Boston or Charlotte or Atlanta or Miami or Memphis or Denver or Phoenix or Salt Lake City or Los Angeles or San Diego or San Francisco or Seattle
$135k-$265k/yr HybridFull Time
7+ YOE7+ years in Power and Utilities OT security, with governance and risk management expertise.
AWS, Azure
2mo
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Director, Operational Technology Security Strategy & Execution (Hiring Our Heroes Corporate Fellow)
Rahway or West Point or San Francisco or Los Angeles or United States or Puerto Rico
OnsiteInternship, Temporary
Foundational Operational Technology (OT) security expertise, strong executive stakeholder management, strategy development, governance facilitation, and clear executive communication. Must be a transitioning service member eligible for the 12-week Hiring Our Heroes fellowship.
1w
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Technical Program Manager, Vehicle Security
Mountain View or San Francisco
$196k-$242k/yr HybridFull Time
8+ YOERequires 8+ years in technical program management across complex embedded, security, or safety-critical systems; bachelor's degree or equivalent; vehicle cybersecurity, requirements governance, and cross-functional leadership experience.
CAN, Automotive Ethernet, ECUs, SecOC, secure boot, TrustZone, Service29, OTA, OBD-II, ISO/SAE 21434, UN ECE R155, UN ECE R156, TARA
2w
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Sr. Cybersecurity Advisor - Secure Networking | Remote, BAY AREA
Phoenix or San Francisco
RemoteFull Time
8+ YOE8+ years in information security with experience designing and operating secure Network/OT/Cloud environments; strong communication, sales acumen, and vendor certification(s).
SASE, CNAPP, ZTNA, WAF, DDoS
2mo
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Dedicated OTP Pro (Hourly)
Scotts Valley, California, United States
$22/hr OnsiteFull Time
6553 Scotts Valley-Mt Hermon McDonald's: Global quick-service restaurant operator.
0+ YOEExperience not required; 0+ years considered; must be able to maintain, monitor, and secure facility IT and OT systems.
Point-of-Sale, POS Systems, Microsoft Office
3mo
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Automation & Controls Leader
Oakland, California, United States
$88k-$148k/yr OnsiteFull Time
Bachelor's in Electrical/Automation Engineering; proven automation/controls leadership in manufacturing; PLCs/HMI/SCADA expertise; OT/IT integration knowledge; strong problem‑solving and leadership; US work authorization.
PLC, HMI, SCADA, Industrial Networks, Cybersecurity
3mo
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Automation & Controls Leader
Oakland, California, United States
$88k-$148k/yr OnsiteFull Time
Bachelor’s degree in Electrical or Automation Engineering; proven manufacturing automation/controls leadership; PLCs/HMIs/SCADA, industrial networks; end-to-end project management; OT/IT integration knowledge; US work authorization.
PLC, HMI, SCADA, Industrial Networks, Cybersecurity
3mo
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Industry Practice Lead - Defense & Government
San Mateo, California, United States
OnsiteFull Time
10+ YOE10+ years in defense, national security, or government technology; consultative selling of large, value-based engagements; track record leading $5M+ relationships; understanding of defense procurement and an active TS/SCI or Secret clearance.
OTA, SBIR/STTR, POM, IDIQ, FAR/DFARS, AI/ML, CFD
1w
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Lab Strategy & Technical Services Solutions Director
Mountain View, California, United States
$200k-$240k/yr OnsiteFull Time
8+ YOE3+ Mgmt8+ years progressive IT leadership including 3+ years managing specialized lab/R&D IT; experience integrating scientific instruments/OT with enterprise networks; ITSM, endpoint, security, vendor and budget management.
LIMS, ServiceNow, Jira, Jamf, Intune, MECM, ISO 27001, NIST
2w
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Assistant Vice President, Information and Cybersecurity
Houston or San Francisco
$203k-$254k/yr HybridFull Time
15+ YOEBachelor's or Master's in related field,15+ years leadership in cybersecurity/technology risk/OT security,experience with NERC CIP and critical infrastructure,preferred professional certifications (CISSP,CISM,CRISC,CISA,GICSP,GIAC).
NIST Cybersecurity Framework (CSF), NIST 800-53, NIST 800-82, IEC/ISA 62443, CIS Controls, SCADA
1d
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SCADA Engineer - Control Room
Austin or San Francisco or New York City or Colorado or Calgary or Toronto
$189k-$205k/yr OnsiteFull Time
3+ YOEBachelor's degree in an engineering discipline and 3–5+ years of utility-scale clean energy SCADA experience. Requires Ignition, industrial protocols, ISO telemetry, SEL RTACs, PLCs, OT security, and NERC CIP expertise.
Inductive Automation Ignition, Canary Labs, ICCP, TASE.2, DNP3, Modbus, MQTT, Sparkplug B, IEC 61850, ERCOT, CAISO, PJM, SEL RTACs, PLC, Palo Alto, Fortinet, NERC CIP, Purdue model, Solar PV, BESS, HMI, Power Plant Controllers
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