19 ot security jobs at 16 companies in Baytown, TX
1w
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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
2w
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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
1mo
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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
5d
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Cyber OT Security Sales Lead-Process Automation
Houston, Texas, United States
$150k-$190k/yr RemoteFull Time
7+ YOERequires 7+ years of OT cybersecurity sales experience, quota achievement, cybersecurity solution knowledge, communication and negotiation skills; bachelor's degree preferred.
1w
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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
2d
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Information Security Analyst Senior
The Woodlands or New Orleans or Little Rock or Jackson
HybridFull Time
5+ YOERequires 5+ years in cybersecurity and a bachelor's degree or equivalent experience. Knowledge of enterprise IT/OT, cloud security, application testing, vulnerability management, compliance frameworks, and Perl or Python.
Windows, Linux, SCADA, PLC, REST, GraphQL, Cloud Security Posture Management (CSPM), Infrastructure as Code (IaC), Identity and Access Management (IAM), Perl, Python, Artificial Intelligence (AI), SAST, DAST, CVSS, OWASP Top 10, OWASP API Security Top 10, NERC CIP, NIST Cybersecurity Framework, NIST CSF, CIS Benchmarks, CNAPP
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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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
5d
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Senior Manager, Global Information Technology
Houston or Chandler
OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years in IT/OT governance, risk, compliance, or security, including 3+ years with technical controls in regulated environments and direct NERC CIP experience.
NERC CIP, NIST CSF, NIST 800-53, IEC 62443, ITIL, ISO 31000, OT, SaaS, MSP, FSA, HSA, EAP, Microsoft 401(k)
1w
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Senior Network Engineer
Houston, Texas, United States
OnsiteFull Time
Expert knowledge of network topologies, routing, switching, VLANs, NAT, VPNs, HA and OT/IT segmentation; hands-on experience with industrial networking and security in OT environments.
Palo Alto, Moxa, Siemens PLCs, SEL, Ignition SCADA, Windows, Linux, TCP/IP
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
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
2w
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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
1mo
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Specialist, Cybersecurity - Risk Management (113130)
Houston, Texas, United States
OnsiteFull Time
5+ YOE5+ years in cybersecurity or IT/ERM risk management; BS/MA in computer science/information security/cybersecurity; cybersecurity risk assessment certification or equivalent experience; knowledge of NIST, ISO, Zero Trust, OT and 3rd-party risk.
NIST CSF, Secure Controls Framework, ISO/IEC 27001, 62443, Zero Trust, Business Impact Analysis (BIA), Enterprise Risk Management (ERM), TPRM
3mo
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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)
1mo
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Manager, IT Operations
The Woodlands, Texas, United States
OnsiteFull Time
7+ YOE3+ MgmtAssociate degree required (BA preferred), 7+ years technical engineering experience, 3+ years leading technical teams; experience with IT/OT systems, industrial control systems, network security, cloud and on-premises infrastructure, disaster recovery, and vendor/project management.
Microsoft
3w
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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
1mo
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Specialist, Cybersecurity - Defense Controls (113132)
Houston, Texas, United States
OnsiteFull Time
9+ YOEBachelor's in cybersecurity/IT/CS required. 8–12 years infrastructure security experience (including vulnerability management), 5 years cloud controls and 5 years IAM controls. Strong knowledge of vulnerability, cloud, and data protection tools; IT/OT expertise; process-driven with strong analytical and communication skills.
Entra, Microsoft Defender, Tenable, Qualys, Microsoft Purview, SIEM, SOC
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