2d
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OT Security & Architecture Manager
Houston, Texas, United States
HybridFull Time
10+ YOE5+ MgmtBachelor's degree and 10+ years cybersecurity experience, 5+ years in OT/ICS environments and leading programs; expertise in OT patching, vulnerability management, ICS/SCADA, industrial networking, firewalls, security architecture, risk assessments, incident response; CISSP or CISM required.
NIST Cybersecurity Framework, NIST SP 800-82, Purdue Model, IEC 62443, ICS, SCADA, DCS, PLC, HMI, IIoT
2mo
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IT & OT SOC Manager
Houston, Texas, United States
HybridFull Time
5+ YOEBachelor's degree or equivalent experience in IT/CS; 5 years in security operations; strong leadership and vendor management; SIEM, SOAR, EDR experience; CISSP or equivalent certifications.
SIEM, SOAR, EDR, security automation
6d
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OT Cybersecurity Specialist
Houston, Texas, United States
OnsiteFull Time
5+ YOE5+ years cybersecurity/OT security experience with 3+ years focused on OT/ICS, bachelor’s or equivalent, knowledge of OT protocols and ICS vendors, relevant certifications preferred.
Modbus, DNP3, OPC, BACnet, PROFINET, Siemens, Rockwell, Schneider Electric, Honeywell, VPN, NIST CSF, ISA/IEC 62443, MITRE ATT&CK for ICS
2mo
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Network Engineer, OT
Houston, Texas, United States
OnsiteFull Time
7+ YOESenior OT/IT network engineer with 7+ years in industrial networks; strong Cisco/FortiNet, NERC-CIP, security, and OT/IT convergence.
Cisco Catalyst switches, Cisco Nexus switches, Cisco ISR/ASR routers, Industrial Ethernet IE-4000/IE-5000, Fortinet FortiGate, FortiManager, FortiAnalyzer, SolarWinds, NAC, IDS/IPS, VPN (IPsec/SSL), WAN optimization, VMware, Azure, Active Directory, DNS, DHCP, NTP, Windows Server, Wireshark, tcpdump, PRTG, Cisco Prime Infrastructure, CISCO Catalyst Center, NSX, NTP, IPAM, CMDB, ServiceNow
3w
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Manager, Information Security
Houston or Chandler
OnsiteFull Time
5+ YOE2+ Mgmt5+ years in information security or OT security, 2+ years leading technical teams, experience with incident response, IAM, SIEM, vulnerability management, NERC CIP compliance, and security program implementation.
SIEM, ITIL, NERC CIP, NIST CSF, CIS Controls, ISO 27001
2d
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Application Security Architect
Houston, Texas, United States
HybridFull Time
3+ YOEBachelor's in IT/Cybersecurity/Computer Science/Engineering or equivalent, 3+ years supporting security monitoring/SIEM, Splunk and Cribl experience, Syslog and MDR/SOC exposure, familiarity with OT/ICS, scripting and cloud monitoring.
SIEM, Splunk Enterprise, Cribl, Syslog, PowerShell, Python, Microsoft Azure, GitHub, SAST, DAST, SCA
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
2d
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Security Operations Center Analyst
Houston, Texas, United States
HybridFull Time
3+ YOEBachelor's or equivalent, 3+ years supporting security monitoring/SIEM, 1+ year administering Splunk and supporting Cribl, experience with Syslog, MDR/SOC, Windows/Linux/network/cloud logs, familiarity with OT/ICS.
Splunk Enterprise, Cribl, Syslog, PowerShell, Python, Microsoft Azure, SIEM, MDR
1mo
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IT Security Specialist - Security Operations Center (SOC) (5230)
Houston, Texas, United States
HybridFull Time
15+ YOE2+ Mgmt15+ years cybersecurity experience with 2+ years in SOC; bachelor’s in cybersecurity/CS or related; CISSP/GCIH/GCFA preferred; SOC leadership, incident response, detection engineering, SIEM/SOAR, scripting and OT/ICS awareness required.
Google Chronicle SIEM, Azure Sentinel, Microsoft 365 Defender, Microsoft Purview Compliance Manager, Intune, SOAR, SIEM, PowerShell, PERL, Python, KQL, VBS, DAST, SAST, MDR, MITRE ATT&CK
2mo
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Automation - Cyber Security Engineer
United States or Texas or Houston
OnsiteFull Time
2+ YOEBachelor's in automation/cybersecurity/electrical engineering, 2+ years marine or industrial experience preferred, PLC/SCADA/HMI proficiency, knowledge or willingness to learn IEC 62443, OT network understanding, plus US work authorization.
PLC, SCADA, HMI, Siemens S7, TIA Portal, PCS7, IEC 62443, CFR-33, IACS UR E26/E27, IAS, PMS, DCS
3mo
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Manager, Network Engineering
Houston, Texas, United States
OnsiteFull Time
8+ YOE3+ Mgmt8+ years in network engineering; 3+ years in people leadership; Fortinet and Azure networking expertise; OT and field connectivity experience; strong security collaboration and documentation.
Fortinet FortiGate, FortiSwitch, FortiRouter, FortiManager, FortiAnalyzer, VPN, SD-WAN, Azure Networking, ExpressRoute, DNS, NSG, Azure Firewall, Hybrid Cloud Networking, Network Monitoring, Automation and IaC
1mo
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Director - Oil, Gas & Chemicals Clients (Remote Eligible)
Houston or Spring or United States
$180k-$200k/yr RemoteFull Time
15+ YOE15+ years experience in OT/ICS cybersecurity or industrial operations; advanced or bachelor’s degree or equivalent; CISSP/CISM or similar security certification; relevant technical certifications; remote role with 50%+ travel to client sites.
Operational Technology and Industrial Control Systems (OT/ICS), ABS Health, Safety, Quality and Environmental Management System
5d
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Senior Cybersecurity Advisor
Calgary or Houston
HybridFull Time
10+ YOEBachelor's in engineering/computer science or technical cert,10+ years cybersecurity/IT experience, knowledge of NGFW,VPN,IPS/IDS,SIEM,endpoint and OT security,Zero Trust and GRC; strong communication and risk analysis skills.
NGFW, VPN, IPS/IDS, vulnerability management, access management, SIEM, endpoint security, threat intelligence, SAP S/4HANA, IAM, HMI, PLC, DCS, Azure, AWS, Zero Trust
2mo
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Program Manager (C-SCRM)
Houston, Texas, United States
$148k-$232k/yr OnsiteFull Time
8+ YOELead enterprise-wide C-SCRM for OT/IT; establish policies per NIST/NEI; manage supplier lifecycle; 8+ years in cyber security with supply chain focus; degree in related field or 12 years nuclear cyber exp.
NIST SP 800-161, NIST SP 800-53, NIST SP 800-82, NEI guidance, RG 5.71, RIS 2015-08 Rev 1, SBOM formats (SPDX, CycloneDX), SSDLC practices (NIST SP 800-218)
1w
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Sr. Energy & Utilities Partner Solutions Architect, AMER Partner Industry & Solutions
Austin or Houston or Dallas
$154k-$208k/yr OnsiteFull Time
8+ YOEDomain expertise in energy & utilities, 8+ years technology experience, 3+ years design/implementation, 5+ years IT development/consulting, partner-facing/pre-sales skills, knowledge of grid operations, SCADA/EMS/DMS, OT security, and utility data platforms.
IoT Core, Greengrass, SiteWise, AI/ML, Agentic AI