39 ot security jobs at 24 companies in Herndon, VA
2mo
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DHS Sr. Operational Technology (OT) Security Engineer
Washington, District of Columbia, United States
$195k-$225k/yr OnsiteFull Time
12+ YOETS/SCI clearance and 12+ years OT engineering/security experience in DoD/Federal settings; expertise with NIST SP 800-82 and ISA/IEC 62443; BS in Cyber Security preferred or equivalent experience; advanced security certifications (CRISC, CISSP, CASP, GISP) preferred.
Federal Information Security Modernization Act (FISMA), Risk Management Framework (RMF), NIST SP 800-82, ISA/IEC 62443, CISA Cybersecurity Alerts & Advisories
3w
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OT Reviewer
Annapolis Junction, Maryland, United States
$146k-$234k/yr OnsiteFull Time
12+ YOEU.S. citizen with active Top Secret clearance (ability to obtain/maintain SCI). Advanced cyber experience (12+ years with BS/BA or equivalent), cross-certification across network, cloud, virtual infrastructure, and OT/ICS domains; familiarity with DISA OT STIGs, vulnerability scanning, DNS, Exchange, Oracle/SQL, Windows/UNIX; desired Security+/GSEC...
DISA OT STIGs, Vulnerability Scan Procedures Guide, DNS, Exchange Server, Oracle, SQL, BlackBerry Enterprise Server (BES)
1mo
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Manager, OT Cybersecurity
Manassas, Virginia, United States
OnsiteFull Time
7+ YOEBachelor's in CS/IT required; 7+ years cybersecurity experience with 3+ years in OT/ICS; experience managing technical teams; knowledge of NERC CIP/NIST, ITIL, SCADA, SIEM, and OT security tools; CISSP/CISM/CRISC/CSSA/SCADA preferred.
Tableau, Power BI, SIEM, SCADA, ITIL
13h
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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
2mo
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Senior OT Cybersecurity Analyst
San Diego or Washington or Norfolk
$100k-$130k/yr HybridFull Time
10+ YOEBachelor’s degree with 10+ years in cybersecurity; OT/DoD experience; security certifications (CISSP/CISM/PMP) preferred; DoD Secret clearance; hybrid role with ~20% travel; US citizenship.
Microsoft Word, PowerPoint, Excel, SharePoint
4w
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OT Criteria and Standards Analyst
Annapolis Junction, Maryland, United States
$135k-$216k/yr OnsiteFull Time
7+ YOE7+ years OT cybersecurity experience (varies by degree), deep knowledge of SCADA/PLC/HMI/DCS security, active U.S. citizenship and Top Secret/SCI clearance, ability to develop OT assessment criteria and perform network/ICS analysis.
SCADA, PLC, HMI, DCS, DISA OT STIGs
3d
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Director, Cyber Security Detection Engineering
Gaithersburg, Maryland, United States
$169k-$254k/yr HybridFull Time
5+ YOE5+ MgmtBachelor's degree or equivalent; 5+ years managing enterprise detection engineering or security operations, with hybrid cloud, on-premises, and OT experience; global team leadership and strong communication skills.
SIEM, EDR, MITRE ATT&CK, XDR, SOAR, machine learning, AI
2mo
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Information Systems Security Engineer (ISSE) - Navy - Norfolk
Norfolk or Tysons or Richmond
$122k-$211k/yr HybridFull Time
8+ YOEBachelor's degree required; DoD 8570 Level III (e.g., CISSP); 8+ years IT/cybersecurity experience; 4+ years security engineering; 2+ years DoD support; cloud (AWS/GCP/Azure) experience; ability to obtain Secret+ clearance.
AWS, GCP, Azure, DevOps, DevSecOps, IoT, OT, IoMT, LAN, WAN, RMF, ATO
1mo
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Cybersecurity Business Information Security Officer (BISO) (292702)
Reston or Houston
$169k-$244k/yr HybridFull Time
8+ YOEBachelor's degree and 8 years in information security, cybersecurity, or risk management, including 2 years aligning technology and business objectives; NIST, ISO/IEC, stakeholder, and program management experience required.
NIST, ISO/IEC 27001/27002, CSA, AI, OT
3w
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Director, Cyber Security Detection Engineering
Gaithersburg, Maryland, United States
$169k-$254k/yr OnsiteFull Time
5+ YOE5+ MgmtBachelor's or equivalent; 5+ years leading enterprise detection engineering across cloud, on-prem and OT/ICS; global coordination experience; strong communication and analytical skills.
SIEM, EDR, XDR, SOAR, MITRE ATT&CK
3w
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Director, Cyber Security Detection Engineering
Gaithersburg, Maryland, United States
$169k-$254k/yr HybridFull Time
5+ YOE5+ MgmtSenior leader with 5+ years managing enterprise detection engineering across cloud, on-premises, and OT/ICS; expert in detection lifecycle, MITRE ATT&CK, purple teaming, SIEM/EDR/SOAR/XDR, data pipelines, and AI/automation.
SIEM, EDR, SOAR, XDR, MITRE ATT&CK
3mo
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Network Engineer- Security Services
Jessup, Maryland, United States
$75k-$129k/yr OnsiteFull Time
5+ YOE5–7 years Network Engineer/Architect role; Cisco routing/switching; SD-WAN; firewall; IT/OT network segmentation; Bachelor's degree or equivalent.
Cisco routing, Cisco switching, Wireless (Cisco Catalyst, Meraki, Aironet), SD-WAN/Cato, Firewalls, VPN, SolarWinds, PRTG, Cisco DNA Center, Cato Management Application
2w
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ISSE SME
Alexandria, Virginia, United States
OnsiteFull Time
8+ YOEActive Top Secret clearance, 8+ years cybersecurity experience, 3+ years SETA advisory experience, RMF/NIST SP 800-53 expertise, OT/ICS security knowledge, bachelor's in technical field or relevant certs, strong communication and MS Office 365 proficiency.
Risk Management Framework (RMF), NIST SP 800-53, Microsoft Office 365, AWS GovCloud, Azure Government, DevSecOps
3d
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Maritime Operational Technology Lead (6895)
Eatontown or Baltimore
RemoteFull Time
3+ YOERequires 3–5+ years supporting OT networks, project leadership, cybersecurity and maritime OT experience, a bachelor's degree, security clearance eligibility, and maritime or technical certifications.
PLCs, SCADA, HMIs, ICS, ABS, DNV, Lloyd’s Register
3w
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Critical Infrastructure Analyst
Washington, District of Columbia, United States
$135k-$279k/yr HybridFull Time
3+ YOE3+ years cyber experience with OT/ICS security, risk assessment, and familiarity with critical infrastructure sectors and threat actor TTPs.
PLC, SCADA, IEC 62443, NIST SP 800-82, Purdue Model, DMZ, Dragos, Nozomi, Claroty
1mo
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Cybersecurity Engineer
Washington, District of Columbia, United States
$126k-$200k/yr OnsiteFull Time
5+ YOE5+ years designing/implementing/securing IT and OT environments; experience with cloud security, Zero Trust, RMF, NIST 800-53, endpoint security, vulnerability management, ATO support; active TS/SCI or DOE Q required.
Zero Trust, RMF, NIST 800-53, Azure, AWS
2w
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Industrial Control System (ICS) / Supervisory Control and Data Acquisition (SCADA) Specialist
Fort Belvoir, Virginia, United States
$105k-$185k/yr OnsiteFull Time
10+ YOEActive Secret clearance, 10+ years IT experience, 5+ years control system security experience, GICSP and DoD 8140 qualifications, experience with NIST guidance, RMF, vulnerability assessment, and ICS/OT security.
Microsoft Office, Microsoft Project, NIST Special Publication (SP) 800-82, Risk Management Framework (RMF)
2d
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Operational Technology Cyber Engineer, Mid
McLean, Virginia, United States
$62k-$141k/yr HybridFull Time
2+ YOERequires 2+ years in engineering, security, or IT; RMF knowledge; ability to learn OT and ICS cybersecurity; high school diploma/GED; and ability to obtain Secret clearance.
Risk Management Framework (RMF), Industrial Control Systems (ICS), Operational Technology
2d
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Operational Technology Cyber Engineer, Mid
McLean, Virginia, United States
$62k-$141k/yr OnsiteFull Time
2+ YOERequires 2+ years in engineering, security, or IT; RMF knowledge; ability to learn OT and ICS cybersecurity; high school diploma/GED; and ability to obtain Secret clearance.
Risk Management Framework (RMF), Industrial Control Systems (ICS), Operational Technology (OT), AI, Microsoft Internet Explorer, Google Chrome, Mozilla Firefox, Microsoft Edge, Apple Safari, Opera Browser, Blackberry Browser
3d
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System Administrator 3
Tysons, Virginia, United States
$104k-$130k/yr OnsiteFull Time
5+ YOERequires a degree or equivalent experience, 5–10+ years of progressive systems administration or engineering experience, Top Secret eligibility, Security+, and expertise in virtualization, Windows, backup, OT/ICS, and cybersecurity.
VMware vSphere/ESXi, Microsoft Hyper-V, Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft Word, Microsoft Excel, Microsoft Visio, Microsoft PowerPoint, ACAS, Tenable, HBSS, eMASS, Veeam, Commvault, Rubrik, Dell, NetApp, HPE, SQL, Citrix, PowerShell, TCP/IP, VLANs, STIGs, RMF, NIST SP 800-53, NIST SP 800-82, ISA/IEC 62443, UFC 4-010-06, FAT/SAT, SAN, NAS, RAID, LUNs, VDI