Cyber Security Jobs in Tennessee (NOW HIRING)

We are seeking a Cyber Security Specialist to join our team in our Oak Ridge, TN office.

• Stops work without fear of reprisal for unsafe conditions potentially affecting personnel safety or environmental risk.
• Supports the development, maintenance, review, and revision of cybersecurity policies, procedures, plans, standards, forms, and other program documentation in accordance with DOE cybersecurity requirements.
• Assists with the preparation and management of Risk Management Approach (RMA) documentation required by DOE Order 205.1D and associated DOE cybersecurity directives.
• Supports the development and maintenance of Interim Authority to Operate (IATO) and Authority to Operate (ATO) documentation packages.
• Maintains Cybersecurity Plans of Action and Milestones (POA&Ms) and tracks actions, commitments, milestones, and deliverables.
• Coordinates cybersecurity inspections, assessments, reviews, audits, and related documentation activities.
• Collaborates with cybersecurity specialists and technical subject matter experts to gather information and develop required compliance documentation.
• Develops, edits, formats, proofreads, and manages cybersecurity reports, templates, forms, records, and correspondence.
• Assists with document control, version management, records retention, and configuration management activities.
• Supports the implementation of DOE cybersecurity requirements for unclassified, sensitive unclassified, and classified information systems.
• Maintains cybersecurity program records and ensures documentation remains current and audit-ready.
• Tracks assignments, prioritizes competing deadlines, and supports multiple cybersecurity initiatives simultaneously.
• Supports the execution of Integrated Safety Management System (ISMS) guiding principles, core functions, and the Isotek Safety Culture.
• Supports the Department of Energy (DOE) Cybersecurity Program through documentation, compliance, coordination, and administrative support activities.
• Supports cybersecurity specialists and program personnel by developing, maintaining, and coordinating cybersecurity documentation, processes, and compliance activities in support of federal and DOE requirements.
• Performs other duties as assigned.

• High School Diploma or equivalent required.
• Minimum of one (1) year of experience supporting cybersecurity, compliance, information assurance, technical documentation, records management, or related administrative functions.
• Prior experience supporting DOE cybersecurity programs or federal cybersecurity compliance activities preferred.
• Strong proficiency with Microsoft Office applications, particularly Microsoft Word, including document formatting, editing, revision tracking, template development, and document production.
• Excellent written and verbal communication skills.
• Strong organizational, time management, and multitasking abilities.
• Ability to develop, edit, proofread, and maintain complex technical and compliance documentation.
• Experience working collaboratively with technical subject matter experts and cross-functional teams.
• Familiarity with cybersecurity concepts, terminology, and industry frameworks such as NIST publications and DOE cybersecurity requirements.
• Experience using issue tracking, action item tracking, project management, or workflow management tools preferred.
• Ability to prioritize workloads and manage multiple assignments in a dynamic environment.
• Experience supporting audits, assessments, inspections, compliance reviews, or records management activities preferred.
• Must be able to work onsite in Oak Ridge, Tennessee; this is not a remote or telework position.
• Applicants selected will be subject to a federal background investigation and must meet eligibility requirements for access to classified information.
• Applicants must have Real ID-compliant identification to access the work location.
• U.S. citizenship is required for AtkinsRéalis/Isotek Systems Project positions.
• Must be a U.S. citizen to be considered.

At AtkinsRéalis, our values—Safety, Integrity, Collaboration, Innovation, and Excellence—are more than just words. They are the foundation of who we are and how we work. These principles shape our culture, guide our decisions, and inspire us to create an environment where every team member feels empowered to grow, succeed, and make a meaningful impact.

Depending on your employment status, AtkinsRéalis benefits may include medical, dental, vision, company-paid life and short- and long-term disability benefits, employer-matched 401(k) with 100% vesting, employee stock purchase plan, Paid Time Off, leaves of absences options, flexible work options, recognition and employee satisfaction programs, employee assistance program, and voluntary benefits. You can review our comprehensive benefits page here.

We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's'infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.

Find out more.

Expected compensation range is between $65,000 - $109,000 annually depending on skills, experience, and geographical location.

AtkinsRéalis is an equal opportunity, Drug-Free employer EOE/Veteran/Disability

Please review AtkinsRéalis' Equal Opportunity Statement here.

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