42 siem engineer jobs at 34 companies in Old River-Winfree, TX

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Senior Cyber Security Engineer - SIEM and Automation
Jersey City or Woodland Hills or Houston
$168k-$195k/yr HybridFull Time
Corebridge Financial
Corebridge FinancialNYSE: CRBG: Provider of retirement solutions and insurance products.
3+ YOESIEM/detection engineering with 3+ years' experience, SIEM platforms (Splunk, Microsoft Sentinel, QRadar, Elastic), query languages (SPL, KQL, Lucene, SQL), MITRE ATT&CK knowledge, cloud logging, scripting (Python, PowerShell).
Splunk, Microsoft Sentinel, QRadar, Elastic, SPL, KQL, Lucene, SQL, SOAR, AWS, Azure, GCP, Python, PowerShell, EDR, IAM, MITRE ATT&CK
1w
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Associate Principal Resident Engineer (Federal)
Houston, Texas, United States
$158k/yr OnsiteFull Time
Dragos
Dragos: Private industrial cybersecurity providing OT/ICS software, threat intelligence, and services to critical-infrastructure operators.
5+ YOERequires 5+ years of ICS/OT cybersecurity experience, strong networking knowledge, Linux, Docker, scripting, SIEM, enterprise cloud and on-premise experience, and strong client communication skills.
Linux, Docker, Python, SIEM
2mo
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Cybersecurity Engineer
Houston, Texas, United States
OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Global provider of engineering, technical, and mission-critical services.
2+ YOEBachelor's degree in engineering and 2–5 years of experience required. Requires eligibility for U.S. Government Top Secret clearance, cybersecurity risk assessment, threat modeling, networking, and systems engineering experience.
MITRE ATT&CK, Aerospace SPARTA, D3FEND, SIEM, NIST SP 800-53, Kali Linux, Metasploit, Wireshark, CCSDS, IEEE 802.3, ARINC 664 Part 7, SAE AS6802, Microsoft Windows
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Senior Threat Detection Engineer
Houston, Texas, United States
HybridFull Time
Macquarie Group
Macquarie GroupASX: MQG: Global financial services group specializing in asset management and advisory.
3+ YOE3–5 years in detection engineering or incident response; strong SIEM and threat hunting experience; detection-as-code, Git and CI/CD experience; knowledge of MITRE ATT&CK and cloud/security tooling.
MITRE ATT&CK, Splunk ES, Google SecOps, Sumo Logic, Git, GitHub, Bitbucket, CloudBees, AWS, Azure, GCP, GitHub Copilot, Claude Code
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Senior Threat Detection Engineer
Houston, Texas, United States
HybridFull Time
Macquarie Group
Macquarie GroupASX: MQG: Global financial services group specializing in asset management and advisory.
3+ YOE3–5 years in detection engineering, security operations, or incident response; strong threat hunting and MITRE ATT&CK knowledge; SIEM and analytics experience; Detection-as-Code and CI/CD familiarity; cloud and enterprise security tooling expertise.
Splunk ES, Google SecOps, Sumo Logic, GitHub, Bitbucket, CloudBees, AWS, Azure, GCP, MITRE ATT&CK, GitHub Copilot, Claude Code
3w
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IT Security Engineer II
Houston, Texas, United States
HybridFull Time
Tokio Marine HCC
Tokio Marine HCC: A global specialty insurance group providing diverse coverage solutions.
5+ YOERequires 5+ years of cybersecurity engineering experience, security platforms, automation, configuration management, broad IT systems knowledge, SIEM, troubleshooting, and communication skills.
SIEM
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IT, Senior Cloud Engineer
Phoenix or Friendswood
OnsiteFull Time
Castle Biosciences
Castle BiosciencesNasdaq: CSTL: Public molecular diagnostics providing genomic tests to clinicians and patients for cancer and skin disease.
5+ YOE5+ years Azure engineering experience, bachelor\u0002s in CS/IS/cybersecurity or equivalent, experience with Terraform/Bicep, CI/CD, Git, Docker, Kubernetes, Ansible, Atlassian; strong cloud architecture and security experience.
Azure, Terraform, Bicep, CI/CD, Git, Docker, Kubernetes, Ansible, Atlassian, SIEM
1d
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Cyber Security Engineer(Cloud/SaaS)
Houston, Texas, United States
OnsiteFull Time
Crescent Energy
Crescent EnergyNYSE: CRGY: Public U.S. energy producing oil, natural gas and NGLs in the Eagle Ford, Permian and Uinta.
4+ YOERequires 4+ years in cybersecurity, cloud or SaaS security, security operations, or related engineering; hands-on SaaS, API, logging, SIEM, detection, SOC, and incident response experience.
SaaS, APIs, SIEM, SOC, AI, Azure, AWS
2mo
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Cybersecurity Engineer
Houston, Texas, United States
HybridFull Time
Enchanted Rock Management
Enchanted Rock Management: Private Texas energy providing natural-gas distributed power and microgrid resilience services to businesses and critical infrastructure.
4+ YOEBachelor's degree or equivalent, 4+ years cybersecurity experience, cybersecurity certifications (Security+, SSCP, GSEC, CRISC), experience with incident response, vulnerability management, SIEM/EDR/IDS, and NERC/NIST frameworks.
EDR, MDR, SIEM, IDS/IPS, SCADA, NERC CIP, NIST 800-39, NIST 800-30, NIST 800-53, NIST CSF
2d
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Senior Networking Engineer
United States or San Francisco or Long Beach or Houston
RemoteFull Time
Giga Energy
Giga Energy: American AI energy infrastructure manufacturer and site developer building data centers and making transformers for AI companies.
8+ YOE8+ years designing and operating enterprise or data center networks, with routing, switching, security, structured cabling, commissioning, construction drawings, production operations, and regular site travel. Bachelor's degree or equivalent experience.
BGP, OSPF, VLANs, VRFs, VXLAN, EVPN, Python, Ansible, SCADA, BMS, DCIM, SIEM, FSA, HSA, Microsoft 802.1X
1mo
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Cyber Security Engineer
Houston or Utah or Princeton
OnsiteFull Time
NRG Energy
NRG EnergyNYSE: NRG: Integrated energy and smart home services.
2+ YOE2+ years cyber security experience with cloud exposure; hands-on CSPM/CNAPP experience (Orca preferred); AWS knowledge and native security services; familiarity with IDS/IPS, SIEM, WAF; cloud security certifications desired.
Orca, Wiz, Prisma Cloud, Defender for Cloud, GuardDuty, Security Hub, IAM Identity Center, KMS, CloudTrail, WAF, Shield, EKS, ECS, Lambda, NAC, IPS, IDS/IPS, SIEM
2mo
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Cybersecurity Operations Engineer
Palo Alto or Houston or United States or Colorado or New Jersey or Delaware or California or District of Columbia
$124k-$238k/yr RemoteFull Time
Lanteris Space Systems
Lanteris Space Systems: Satellite manufacturer building spacecraft and space systems for commercial, civil, and national-security customers.
8+ YOEUS citizen able to obtain government security clearance; Bachelor's in cybersecurity/IT/CS (or 4 additional years' experience); 8+ years in cybersecurity operations/incident response; experience with endpoint protection, cloud security (Wiz, AWS), SIEM, and NIST 800-171/CMMC/DFARS.
Microsoft Defender, Wiz, Tenable, Tenable One, AWS security services, SIEM, EDR, Microsoft Sentinel, MDC, Microsoft Purview, PowerShell, Python, IDS/IPS
3w
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Senior Security Engineer
Austin or Boston or Charleston or Charlotte or Chicago or Dallas or Durham or Harrisburg or Houston or Irvine or Kansas City or Los Angeles or Miami or Nashville or New York or Newark or Palo Alto or Pittsburgh or Portland or Raleigh or San Francisco or Seattle or Washington or Wilmington
$112k-$209k/yr HybridFull Time
K&L Gates
K&L Gates: Global law firm providing corporate, regulatory, litigation, and policy services to companies, public entities, institutions, and individuals.
7+ YOE7+ years cybersecurity/security engineering experience; expertise in cloud and hybrid security, DevSecOps, detection engineering, automation, incident response; Bachelor\u0002s or equivalent; relevant certifications preferred.
PowerShell, Python, REST APIs, Microsoft Graph, Azure, Microsoft Defender, Sentinel, Entra ID, Purview, Splunk, CrowdStrike, SIEM, EDR/XDR, MITRE ATT&CK
3mo
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Cactus Wellhead - Cybersecurity Engineer
Houston, Texas, United States
HybridFull Time
Cactus Wellhead
Cactus WellheadNYSE: WHD: Oilfield equipment manufacturer and service provider making pressure-control equipment for onshore and offshore drilling, completion, and production.
5+ YOE5+ years in cybersecurity or security engineering; bachelor’s in Information Security or Computer Science; multiple certifications in security and cloud security.
XDR/EDR, SIEM, SAML, OAuth, OpenID, CNAPP, CSPM, CASB, PowerShell, Python, KQL
3mo
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Senior Cloud Security Engineer
Houston, Texas, United States
$115k-$135k/yr HybridFull Time
Heath Consultants
Heath Consultants: Heath is a family-owned methane emissions serving natural gas utilities with leak-detection technologies and field services.
5+ YOE5+ years in cloud security; strong Azure/M365; IAM; DevSecOps; SIEM/XDR; NIST/CIS; WAFs; scripting.
Azure, Entra ID, Microsoft Defender, Microsoft Defender for Cloud, Microsoft Sentinel, WAFs, firewalls, Terraform, ARM, Bicep, PowerShell, Python, Bash, CI/CD, DevSecOps
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Sales Engineer, Majors Enterprise
Houston, Texas, United States
RemoteFull Time
Fortinet
FortinetNASDAQ: FTNT: Cybersecurity providing integrated network security and protection solutions.
5+ YOE5+ years in pre-sales/systems engineering for enterprise cybersecurity or networking; strong networking and security protocol knowledge; experience with SecOps, Zero Trust, SASE, cloud security; excellent presentation and executive engagement skills.
SIEM, SOAR, XDR, Zero Trust, SASE, IaaS, SaaS, MITRE ATT&CK, NIST CSF, ISO 27001, SOC 2, IPSec, TLS/SSL, PKI, SAML, OAuth, RADIUS, LAN/WAN, TCP/IP, AWS
3mo
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Cactus Wellhead - Cybersecurity Engineer
Houston, Texas, United States
HybridFull Time
Cactus Wellhead
Cactus WellheadNYSE: WHD: Oilfield equipment manufacturer and service provider making pressure-control equipment for onshore and offshore drilling, completion, and production.
5+ YOE5+ years in cybersecurity or security engineering; BS in Information Security/CS; certifications: SSCP/CISSP, Security+, AZ-500, CCSP, SC-300, SC-200; experience across endpoint, identity, cloud, network security.
PowerShell, Python, KQL, XDR/EDR, SIEM, CNAPP, CSPM, CASB, SAML, OAuth, OpenID
3d
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Senior Cybersecurity Engineer - OT/SCADA
Houston, Texas, United States
OnsiteFull Time
ON.energy
ON.energy: Private energy storage developer, technology, and asset owner serving utilities, system operators, data centers, and businesses.
5+ YOERequires 5–8 years in cybersecurity or control systems engineering, primarily in OT/ICS, with SCADA security, industrial networking, identity services, Linux/Windows administration, scripting, and OT security platform experience.
SCADA, PLC, Microsoft Windows, PKI, IEC 62443, Purdue Model, Industrial IDS, Modbus TCP, IEC 61850, OPC UA, TLS, CISA ICS-CERT, Entra ID, AD/LDAPS, SSO, Linux, Nozomi, Claroty, Dragos, Tenable OT, Forescout, Cisco Cyber Vision, Zeek, Suricata, Wireshark, Wazuh, SIEM, CA, PAM, Ignition, AVEVA, Siemens WinCC, Rockwell FactoryTalk, RTU, PCS, BMS, SEL, Modbus TCP/RTU, IEEE 2030.5, SunSpec, Cisco, Fortinet, Palo Alto, Moxa, Tofino, VPN, Authentik, Zabbix, MITRE ATT&CK for ICS
3w
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Leader, Solutions Engineer, Splunk
Houston or Dallas
$239k-$315k/yr RemoteFull Time
Cisco
CiscoNASDAQ: CSCO: Global leader in networking, cybersecurity, and cloud-native technology solutions.
5+ YOE3+ MgmtRequires 5+ years in solution or sales engineering and 3+ years managing technical presales teams. Bachelor's degree or equivalent experience, enterprise sales expertise, and up to 30% travel required.
Splunk Enterprise, Splunk Cloud, ITSI, ES, Observability, SIEM
1w
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Senior Cyber Security Engineer
Lakewood or Nashville or Chicago or Walnut Creek or New York City or Alexandria or Houston or Atlanta or West Palm Beach or Seattle or Los Angeles or Irvine or Philadelphia
$129k-$212k/yr OnsiteFull Time
Brown and Caldwell
Brown and Caldwell: Environmental engineering and construction services firm.
8+ YOEMinimum 8 years of relevant cybersecurity experience, or 6+ years with compliance or audit support; relevant degree or equivalent experience; expertise in security engineering, incident and vulnerability management, compliance, automation, and Azure security.
Microsoft Azure, SIEM, AI/ML, Microsoft

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