41 ot security jobs at 34 companies in Texas

2w
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Ethical Hacker - OT Security
Canada or Texas
$80k-$120k/yr RemoteFull Time
Packetlabs
Packetlabs: Provides expert manual penetration testing and ethical hacking services.
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.
2d
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OT Security & Architecture Manager
Houston, Texas, United States
HybridFull Time
Oceaneering
OceaneeringNYSE: OII: Global provider of engineered services for offshore energy industries.
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
1mo
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Manager, OT Security & Compliance
Austin, Texas, United States
OnsiteFull Time
LS Power
LS Power: Developer, investor, and operator of power and energy infrastructure.
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
1w
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Senior Manager - Cybersecurity OT Manufacturing & Distribution
Mounds View or Fridley or Fort Worth or Lafayette or Irvine or Jacksonville or North Haven or Boston or Memphis
$157k-$235k/yr HybridFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
7+ YOELead OT cybersecurity for manufacturing and distribution; translate strategy into operational plans; manage teams, budgets, and vendors; expertise in OT/ICS security, risk, incident response, and compliance (NIST/IEC).
NIST 800-82, IEC 62443, ISA/IEC
2mo
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Operational Technology (OT) Cyber Threat Analyst
San Antonio, Texas, United States
$100k-$140k/yr OnsiteFull Time
RMC Global
RMC Global: Provider of cybersecurity and mission assurance solutions for critical infrastructure.
4+ YOEBachelor’s degree and 4-10 years in OT/ICS security; threat intelligence, incident response, vulnerability assessment; knowledge of OT/ICS frameworks; certifications listed.
Claroty, Dragos, Nozomi Networks, Tenable OT
2w
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Security Engineer, Network
Austin or New York or San Francisco or Seattle or United States
$218k-$252k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
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
2mo
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IT & OT SOC Manager
Houston, Texas, United States
HybridFull Time
Waste Management
Waste ManagementNYSE: WM: Provides waste collection, recycling, and environmental services in North America.
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
1mo
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Presales Solutions Engineer  - OT/IoT Security
United States or Texas
$170k-$230k/yr RemoteFull Time
SHI International
SHI International: Global provider of IT solutions, hardware, and software services.
5+ YOE5+ years technical cybersecurity experience, 3+ years presales consulting, deep OT/IoT security knowledge, bachelor's degree or equivalent, ability to travel to events, and familiarity with security frameworks; preferred professional security certifications.
Modbus, BACnet, SCADA, NIST, HITRUST, CIS
6d
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OT Cybersecurity Specialist
Houston, Texas, United States
OnsiteFull Time
W&T Offshore
W&T OffshoreNYSE: WTI: Exploration and production of oil and gas in Gulf of Mexi.
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
ProEnergy
ProEnergy: Manufacturer and service provider for aeroderivative power generation equipment.
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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Cybersecurity Analyst - OT
Wylie, Texas, United States
$76k-$112k/yr OnsiteFull Time
North Texas Municipal Water District
North Texas Municipal Water District: Provides regional wholesale water, wastewater, and solid waste services.
2+ YOE2+ years cybersecurity experience (OT/ICS/SCADA preferred); bachelor’s in Cybersecurity/CS/MIS or equivalent experience; OT security tools knowledge; industry certs desirable (GICSP, ISA/IEC 62443, Security+, CEH, CySA+, CCNA).
Dragos, Nozomi Networks, Claroty, SIEM, Python, Microsoft PowerShell, Microsoft Azure, AWS, VPN, MFA, jump servers
3w
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Manager, Information Security
Houston or Chandler
OnsiteFull Time
NovaSource Power Services
NovaSource Power Services: Maintains and operates solar power plants globally.
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
4w
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Security Analyst V
Tulsa or Dallas
$143k-$215k/yr OnsiteFull Time
ONEOK
ONEOKNYSE: OKE: Operates extensive midstream energy infrastructure for natural gas and liquids.
6+ YOE6+ years information security experience with 3+ years in offensive security (red team, pentest, detection engineering); bachelor\u0002s in IT or equivalent; experience with SIEM/EDR, threat detection, OT environments preferred; mentoring and technical leadership.
SIEM, EDR, Electronic security analytics
1w
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Cybersec Eng Sr. Director
Plano, Texas, United States
$157k-$312k/yr OnsiteFull Time
PepsiCo
PepsiCoNASDAQ: PEP: Global manufacturer and distributor of snacks and beverages.
10+ YOE8+ Mgmt10+ years progressive OT engineering or cybersecurity leadership, 8+ years leading OT/ICS, experience in global manufacturing, executive leadership of cybersecurity teams, vendor management, and executive communication.
ISA/IEC 62443, NIST Cybersecurity Framework, NIST SP 800-82, NIST 800-53, ISO 27001, Purdue Model, SCADA, WMS, MES, PLC, Robotics, Industrial Internet of Things (IIoT), Autonomous Guided Vehicles (AGVs)
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
Deloitte
Deloitte: Provides professional audit, consulting, advisory, and tax services.
7+ YOE7+ years in Power and Utilities OT security, with governance and risk management expertise.
AWS, Azure
1mo
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RT Ops Security Spec Sr
New Albany or Shreveport or Roanoke or Corpus Christi
$99k-$129k/yr OnsiteFull Time
American Electric Power
American Electric PowerNASDAQ: AEP: Generates and distributes electric power to millions of customers.
4+ YOEDesign and implement OT security solutions, configure and maintain firewalls, manage ports, perform vulnerability and patch management, lead incident response, and support Active Directory, endpoint, encryption, and logging technologies. CISSP or other security certification preferred.
Firewall, Active Directory, Anti-Virus, Endpoint Security, Encryption, Certificate Management, Security Logging and Alerting, SCADA, EMS, ADMS, DMS, OMS
6d
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Cyber SDC - Network Security Architecture & Governance Solutions Analyst - Senior
Dallas or United States
$78k-$141k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
Senior-level OT/OT architecture and governance experience with defect/issue management, security architecture, risk assessment, and governance frameworks. Strong communication and program leadership skills.
ServiceNow, AuditBoard, NERC CIP, NIS, CIS, NIST CSF, ISO 27001, ISA/IEC 62443, SaaS, PaaS, IaaS, AI/ML, ZTA
1mo
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IT Security Specialist - Security Operations Center (SOC) (5230)
Houston, Texas, United States
HybridFull Time
Murphy Oil
Murphy OilNYSE: MUR: Explores for and produces crude oil and natural gas.
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
Siemens Energy
Siemens EnergyXetra: ENR: Designs and manufactures energy technology and power generation equipment.
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
2mo
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IT Cyber Security Architect, Plant Infrastructure
Austin or United States or Canada
RemoteFull Time
Recurrent Energy
Recurrent Energy: Develops and operates utility-scale solar and energy storage systems.
7+ YOEOT cybersecurity architecture with NERC CIP, compliance, network design; bachelor’s degree in CS/InfoSec; 7-10 years in cybersecurity; CISSP/CISM/CRISC or similar preferred.
NIST CSF, ISA/IEC 62443, ISO 27001