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Senior Security Engineer Jobs in Oak Ridge, TN (NOW HIRING)

Amentum

Senior Mechanical Engineer

Oak Ridge, TN · On-site

$99K - $131K/yr

Senior Mechanical Engineer Amentum is a global leader in advanced engineering and innovative ... Ability to obtain and maintain a security clearance * Ability to pass pre-employment background ...

New

Pae

Senior Mechanical Engineer

Oak Ridge, TN · On-site +1

$99K - $131K/yr

Senior Mechanical Engineer Amentum is a global leader in advanced engineering and innovative ... Ability to obtain and maintain a security clearance * Ability to passpre-employment background ...

New

Pro2Serve

Senior Electrical Engineer

Knoxville, TN · On-site

$160K - $201K/yr

Login Now Senior Electrical Engineer Job Code:2026-P2S-046 Location:Knoxville Division:Engineering ... security. Using an engineering approach that is supported by an innovative software toolset ...

Navarro Inc.

Senior/Lead Process Engineer (3920)

Oak Ridge, TN · On-site +1

$99K - $128K/yr

... Nuclear Security Administration, the Department of Defense and NASA, while also extending to ... Position Summary The Senior/Lead Process Engineer will provide technical leadership for process ...

Centrus Energy Corp.

Sr. Mechanical Engineer

Oak Ridge, TN · On-site

$78K - $130K/yr

Reporting directly to the Engineering Manager, the Sr. Mechanical Engineer will be responsible for ... Adheres to company policies and procedures with regards to safety, code of conduct, security, and ...

Centrus Energy Corp.

Sr. Mechanical Engineer

Oak Ridge, TN · On-site

$78K - $130K/yr

Reporting directly to the Engineering Manager, the Sr. Mechanical Engineer will be responsible for ... Adheres to company policies and procedures with regards to safety, code of conduct, security, and ...

Cadre5

Senior Platform Engineer

Knoxville, TN · On-site

$93K - $127K/yr

Senior Platform Engineer Founded in 1999 in the beautiful Smoky Mountains of East Tennessee, Cadre5 ... key role in improving the security, performance, and reliability of the NCCS computing ...

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Showing results 21-40

All JobsSecurity Engineer JobsSenior Security Engineer JobsSenior Security Engineer Jobs in Oak Ridge, TN

Senior Security Engineer information

See Oak Ridge, TN salary details

$63.8K

$119K

$161.8K

How much do senior security engineer jobs pay per year?

As of Aug 23, 2026, the average yearly pay for senior security engineer in Oak Ridge, TN is $118,973.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,300.00 and $136,200.00 per year, depending on experience, location, and employer.

What skills and qualifications are needed to be a senior security engineer?

To thrive as a Senior Security Engineer, you need deep expertise in network security, risk assessment, incident response, and a relevant degree or equivalent experience. Familiarity with security tools such as SIEM platforms, firewalls, IDS/IPS, and certifications like CISSP or CEH are typically required. Strong analytical thinking, effective communication, and leadership abilities help you excel in complex security environments. These skills and qualifications are crucial to safeguard organizational assets and maintain robust defense against evolving cyber threats.

How does a senior security engineer collaborate with other departments to enhance organizational security?

Senior Security Engineers frequently work cross-functionally, partnering with IT, software development, and compliance teams to implement security best practices and respond to incidents. They play a key role in conducting security reviews, advising on secure design, and leading incident response efforts. Effective communication and collaboration are essential, as these engineers often translate technical risks into business terms and provide guidance during audits or vulnerability assessments. This collaborative approach helps ensure comprehensive protection across all organizational assets.

What is the difference between Senior Security Engineer vs Security Analyst?

AspectSenior Security EngineerSecurity Analyst
Required CredentialsCertifications like CISSP, CISA, CEH; Bachelor's or Master's in Cybersecurity or related fieldsCertifications like CompTIA Security+, GIAC Security Essentials; Bachelor's in Cybersecurity, Information Technology, or related fields
Work EnvironmentDesigning security systems, implementing security measures, leading security projectsMonitoring security alerts, analyzing threats, conducting security assessments
Employer & Industry UsageUsed in tech companies, finance, healthcare for security infrastructure rolesCommon in various industries for threat detection and incident response

The main difference is that Senior Security Engineers focus on designing and implementing security solutions, while Security Analysts primarily monitor and analyze security threats. Both roles require relevant certifications and work in similar environments, but their responsibilities differ in scope and focus.

What are the most commonly searched types of Security Engineer jobs in Oak Ridge, TN?

The most popular types of Security Engineer jobs in Oak Ridge, TN are:

What are popular job titles related to Senior Security Engineer jobs in Oak Ridge, TN?

For Senior Security Engineer jobs in Oak Ridge, TN, the most frequently searched job titles are:

What cities near Oak Ridge, TN are hiring for Senior Security Engineer jobs?

Cities near Oak Ridge, TN with the most Senior Security Engineer job openings:

Senior Security Engineer jobs near you
Infographic showing various Senior Security Engineer job openings in Oak Ridge, TN as of August 2026, with employment types broken down into 81% Full Time, 16% Part Time, and 3% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $118,973 per year, or $57.2 per hour.

Senior Mechanical Engineer

Amentum

Oak Ridge, TN • On-site

$99K - $131K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 3 days ago

New

Job description

Senior Mechanical Engineer
Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Senior Mechanical Engineer to support our Projects.
Description:
As a senior-level mechanical engineer, you will serve as a technical leader responsible for the design, coordination, and delivery of building mechanical systems for industrial and government facilities. This role includes oversight of HVAC, plumbing, and piping system designs; leadership of mechanical engineering teams; and accountability for technical quality and compliance throughout the project lifecycle.
The successful candidate will work closely with project management, discipline leads, and clients to deliver fully coordinated, code-compliant, and high-quality engineering solutions in accordance with Amentum's established quality procedures.
Key Responsibilities:
  • Lead and oversee the design of HVAC, plumbing, and piping systems, including B31.3 process piping
  • Serve as technical authority for mechanical system design within assigned project scope
  • Review, approve, and check engineering calculations, layouts, specifications, and drawings
  • Apply advanced engineering judgment to resolve complex design issues
  • Support project planning by assisting with:
    • Scope definition
    • Equipment sizing
    • Schedule development
    • Budget control for mechanical design activities
  • Coordinate mechanical designs with structural, electrical, architectural, and process disciplines
  • Apply applicable codes, standards, and procedures (e.g., IMC, ASHRAE, NFPA, ASME)
  • Interface with clients and other stakeholders as a senior technical contributor
  • Provide senior-level support during procurement and construction phases, including review and resolve RFIs, submittals, and field issues
  • Mentor and guide engineers and designers on applicable codes, standards, and best practices
  • Ensure all work under your technical responsibility complies with Amentum's engineering and quality procedures

Basic Qualifications:
  • B.S. Mechanical Engineering from an ABET accredited engineering program
  • 15+ years in industrial/government design of Mechanical, HVAC, Plumbing Systems, and related mechanical building systems
  • Demonstrated experience delivering projects from concept through detailed design completion
  • Proven ability to lead teams of engineers and designers within budget and schedule constraints
  • Proficiency with discipline-specific tools such as: Carrier HAP, Trane TRACE, PipeFlo, AutoCAD, MicroStation, etc.
  • Thorough knowledge of applicable codes & standards (International Mechanical Code, NFPA, ASHRAE, etc.)
  • Professional Engineer (PE) license required

Preferred Qualifications:
In addition to the Basic Qualifications the ideal candidate might also have:
  • Prior nuclear, DOE, or high-hazard facility design experience
  • Experience working under a formal quality program (ISO 9001, NQA 1)
  • Strong leadership, communication, and technical mentoring skills
  • Demonstrated attention to detail and commitment to technical excellence
  • Proficiency with Microsoft Office (Excel, Word, Outlook)

Work Environment:
  • Primarily office-based work in a secure engineering environment
  • Amentum office location is preferred; hybrid or remote work may be available by prior agreement based on role and project requirements
  • Occasional exposure to industrial facilities, which may include elevated noise levels, hazardous materials, or controlled areas
  • Site visits may be required

Physical Requirements:
  • Ability to sit or stand for extended periods
  • Ability to lift up to 35 lbs occasionally
  • Vision correctable to 20/20
  • Ability to read and use computer-aided design software effectively
  • Appropriate PPE and training will be provided as required

Compliance & Eligibility Requirements:
  • U.S. Citizenship required (no dual citizenship)
  • Valid driver's license is required
  • Ability to obtain and maintain a security clearance
  • Ability to pass pre-employment background investigation and drug screening
  • Willingness to work overtime or outside normal hours as needed
  • Professional appearance appropriate for a customer-facing engineering environment
  • Travel required: less than 10%

Compensation Details:
$140,000 - $165,000
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Retirement benefits (including 401(k) matching)
  • Educational reimbursement
  • Parental leave
  • Employee stock purchase plan
  • Tax-saving options
  • Disability and life insurance
  • Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.
Original Posting:
08/20/2026 - Until Filled
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

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