OT & Defense Critical Infrastructure Cybersecurity Engineer
$142.9k - $266kBooz Allen Hamilton
OT & Defense Critical Infrastructure Cybersecurity Engineer The Opportunity: Serve as the primary technical authority on cybersecurity for Operational Technology (OT) and Defense Critical Infrastructure (DCI) systems. Provide expert guidance on securing industrial control systems (ICS), SCADA environments, and mission-critical defense assets. Advise leadership and engineering teams on compliance, risk management, and advanced threat mitigation strategies. Maintain situational awareness of evolving OT-specific cyber threats, attack methodologies, and adversary capabilities. Lead technical and strategic initiatives to ensure resilience and security of defense-critical operations. You Have: 10+ years of experience in cybersecurity, information assurance, risk management, cyber operations, governance, or compliance 7+ years of experience securing Operational Technology (OT), Industrial Control Systems (ICS), Defense Critical Infrastructure (DCI), or SCADA systems 5+ years of experience leading teams Experience developing Standard Operating Procedures (SOP) or Incident Response playbooks TS/SCI clearance Bachelor's degree Security+ Certification Nice If You Have: Experience working in ARNG, Army, or DoD/DOW environments Ability to effectively convey technical issues or risks to senior leadership Master's degree Advanced Cybersecurity Certifications such as CISSP, ISSAP, ISSEP, CASP+, or SecurityX Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required. Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $142,900.00 to $266,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Candidate AI Usage Policy AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided. Work Model Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings. Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility. Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law. Note: Microsoft Internet Explorer is not fully compatible with Workday and users may experience systems issues with this browser. We recommend that you use one of the following browsers to avoid problems: Google Chrome, Mozilla Firefox, Microsoft Edge, Apple Safari, Opera Browser or Blackberry Browser. If you continue to experience issues, it is sometimes necessary to reset your browser by clearing your cache. About Booz Allen Hamilton Booz Allen is an advanced technology company delivering outcomes with speed for America’s most critical defense, civil, and national security priorities. We build technology solutions using AI, cyber, and other cutting-edge technologies to advance and protect the nation and its citizens. By focusing on outcomes, we enable our people, clients, and their missions to succeed—accelerating the nation to realize our purpose: Empower People to Change the World®. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law. Know Your Rights Poster Accommodations If you are an individual with a disability and would like to request a reasonable workplace accommodation for any part of our employment process, please contact the Booz Allen Help Desk by calling View phone number on click.appcast.io or sending an email to View email address on click.appcast.io. This option is reserved only for individuals who are requesting a reasonable workplace accommodation. It is not intended for other purposes or inquiries. Data Privacy For more information on how Booz Allen uses your information, please see our Careers Privacy Policy.
$142.9k - $266k
OT & Defense Critical Infrastructure Cybersecurity Engineer The Opportunity: Serve as the primary technical authority on cybersecurity for Operational Technology (OT) and Defense Critical Infrastructure (DCI) systems. Provide expert guidance on securing industrial control...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work- ...Defense Critical Infrastructure/Operational Technology Team Lead - Senior ECS is... ...Enterprise Network Operations and Cybersecurity Support (ENOCS) program.... ...Operational Technology (OT) environments. Please... ...Technology, or Software Engineering Experience leading data...SuggestedContract work
- ...for which there is a critical hiring need. Selectee... ...this position is IT Cybersecurity Specialist (INFOSEC)... ...CISA and to critical infrastructure organizations on cyber... ...information relevant to cyber defense for reporting and... ...infrastructure engineers and cyber analysts to...SuggestedWork at office
$95k - $100k
...seeking a qualified Network Engineer / Cybersecurity professional to support the... ...Region (NCR) Directorate of the Defense Health Agency (DHA). This... ...or operational technology (OT) systems Demonstrated experience... ...Strong problem-solving and critical thinking abilities...SuggestedWork at office- ...Senior Systems Engineer / Infrastructure Engineer (Lead) Marathon TS is seeking a Senior Systems... ...a globally distributed, mission-critical defense environment. The engineer will be... ..., sustainment, modernization, and cybersecurity compliance in accordance with DoD standards...SuggestedTemporary workWork at office
- ...01 13 Organization: Department of Homeland Security, Cybersecurity and Infrastructure Security Agency (CISA), Infrastructure Security Division,... ...Arlington, VA (onsite) Security Clearance: Secret (Non Critical Sensitive) Appointment Type: Permanent, Full Time...Permanent employmentFull timeContract workFor contractorsWork at officeLocal areaAfternoon shift
$9k
...searching for aSenior Network Engineer. How you will... ...our National Security and Defense mission: As a Network... ...environments and play a critical role in supporting mission... ...to modernize IT systems, cybersecurity practices, and infrastructure. You understand the Department...Full timeImmediate startRemote workWorldwideFlexible hours- ...Cyber Virtualization Engineer Why IDS? IDS... ...conditions across IT and OT domains. These... ...full-spectrum cybersecurity exercises. Must... ...edge, and cloud infrastructures. Implement and... ...threat emulation and defensive toolsets for... ...compliance for mission-critical environments....Hourly payLocal areaFlexible hoursShift work
$99k - $232k
...Specialty/Competency: Cybersecurity & Privacy Industry/Sector: Not Applicable Time Type... ..., SASE/SSE, network segmentation, and OT security. As a Manager, you oversee teams... ...experience in network security, cybersecurity engineering, or security consulting, including...Full timeH1b- ...employees to grow, learn and feel a sense of belonging, not just a place to work. A critical career opportunity is available at the Pentagon for a Defense Red Switch Network (DRSN) Engineer to support the AFNCR IT Services program within the National Military Command...Full timeWork at officeShift workNight shiftRotating shift
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...is looking for an Advanced Engineering and Infrastructure Lead to design, build, and... ...IT service delivery, and cybersecurity programs, enabling teams to... ..., LMI serves the defense, space, healthcare, and energy... ...reliability. This role is critical for connecting infrastructure...Contract workFlexible hours- ..., is hiring a Data Center Infrastructure Engineer. Position requires an active... ...efficiency of all mission-critical operations across servers,... ...with engineering, cybersecurity, cloud, and application teams... ...solutions to a deep knowledge of Defense and Civilian missions to...Local areaFlexible hours
$140k - $145k
...Infrastructure Engineer Suvi Global Services is looking for an Infrastructure Engineer to support... ...performance, and security of mission-critical applications, networks, and services... ...automation, and compliance with DoD cybersecurity standards. Will also collaborate with...Full timePart timeFor contractorsRemote work- ...space operations, cyber defense and resiliency,... ...Government agencies and critical asset owners who experience... ...a motivated network engineer to implement,... ...support the lab network infrastructure. Responsibilities:... ...shape the future of cybersecurity and intelligence together...Contract workLocal areaImmediate start
- ...We're seeking a skilled Infrastructure Engineer to build the next-generation... ...Spear AI is a growing defense contracting company dedicated... ...innovation meets mission-critical work. We operate with a flat... ...networking. Familiar with cybersecurity compliance frameworks like...Full timeRemote workHome officeRelocation packageFlexible hoursNight shift
- ...opening for you, our next Senior Cloud Cybersecurity Engineer , to play a critical role in the accreditation and... ...Intelligence (OSINT) across the Defense and Intelligence Community... ...applications and the underlying cloud‑based infrastructure Collaborate with DevSecOps,...Interim roleImmediate startFlexible hours
- Summer Part-Time Opportunities - Movers, Packers & Organizers The T.E.A. Center - McLean/Tysons, VA 📍 Location: McLean, VA 📅 Tentative Dates: June-August 2026 🕒 Position Type: Part-Time / Temporary Summer Position The T.E.A. Center is excited to announce that we...Temporary workPart timeWork experience placementSummer workFlexible hoursWeekend workWeekday work
$100k - $110k
...Sr. Cloud Security Engineer plays a key role in... ...Information and Cyber Security Defense (ICSD) team, the... ...'s security infrastructure. The ideal candidate... ...deep understanding of cybersecurity operations with a strong... ...problem-solving and critical thinking skills for addressing...Temporary workLocal areaVisa sponsorshipWork visaFlexible hours$80k
...federal partner supporting mission-critical programs across national security, defense, and public service delivery.... ...Responsibilities: Provide Tier-3 engineering support for Microsoft 365 GCC,... ...with incident management and cybersecurity teams. Support the segregation...Contract work$143k - $190k
...Senior Cloud Engineer - Clearance Desired Job... ...Engineer will play a critical role in the successful... ...collaboration, LMI serves the defense, space, healthcare,... ...Army's existing IT infrastructure Develop and... ...compliance with Army cybersecurity standards and best practices...Full timeFor contractorsLocal area3 days per week$99k - $225k
Cloud Infrastructure Engineer A well-designed and secure network is critical to move data and enable the Department of Defense (DoD) to achieve its mission. As a Cloud Engineer on our team... ...with defensive cyber operations, cybersecurity engineering, or security platform...Local area- ...Cloud Cyber Security Engineer - TS/SCI Xcelerate... ...Engineer, to play a critical role in the... ...Intelligence (OSINT) across the Defense and Intelligence... ...platforms and infrastructure across multiple secure... ...experience with 5+ years in cybersecurity or additional years...
- ...hiring a Senior Network Engineer-Unified... ...will support mission-critical UC services at Joint... ...Expressway Core and Edge infrastructure. Provide Tier III... ...Collaborate with cybersecurity teams to ensure compliance... ...a deep knowledge of Defense and Civilian missions...Local areaFlexible hours
$150k - $225k
...Solutions Architecture & Sales Engineering - Cyber Aleut Federal is seeking... ...leader specializing in cybersecurity solutions across Department of Defense (DoD) and Intelligence Community... ...experience in classified and mission-critical environments, capable of designing...Temporary workLocal area- ...is seeking a Cloud Security Engineer to work in the National... ...security engineering and cyber defense operations across WDP's classified... ...'s multi-enclave AWS cloud infrastructure in direct support of DoW... ...cloud security engineering, cybersecurity operations, or a closely...Contract work
$88.4k - $154.7k
...amazingly talented Senior Network Engineer to join our team! In this role... ...services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a... ...and sustaining our nation's most critical assets, from Earth to cyberspace....Local areaWorldwideFlexible hours- ...Senior Network Engineer At Ardent, we hire people who... ...federal government's most critical national security and defense priorities, helping... ...Office's Cisco-based network infrastructure, including core,... ...stakeholders, collaborating with cybersecurity, cloud, and operations...Work at officeRemote workFlexible hours
$227k
...hiring a Senior Network Engineer (Security). Position... ...network security infrastructure. The engineer will design... ...manage, and optimize critical security controls,... ...Collaborate with cybersecurity teams to ensure compliance... ...a deep knowledge of Defense and Civilian missions...Local areaRemote workFlexible hours- ...Network Engineer Washington, D.C. Metro At Ardent,... ...federal government's most critical national security and defense priorities, helping... ...Office's Cisco-based network infrastructure, including core,... ...Microsoft engineering, and cybersecurity teams. Responsibilities...Work at officeLocal areaFlexible hours
$227k
...KGS) company, is hiring a Senior Network Engineer-Wireless. Position requires an active... ...support secure, high-density, and mission-critical networks. Diagnose and troubleshoot RF... ...solutions to a deep knowledge of Defense and Civilian missions to provide forward...Local areaFlexible hours
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