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Mid Level Faang Engineer Jobs in Tennessee (NOW HIRING)

Amentum

Mid-Level Mechanical Engineer

Oak Ridge, TN · On-site

Engineering and project execution for nuclear fuel reprocessing and related fuel cycle infrastructure As a Mid-Level Mechanical Engineer, you will serve as a technical leader responsible for the ...

Pae

Mid-Level Mechanical Engineer

Oak Ridge, TN · On-site

Engineering and project execution for nuclear fuel reprocessing and related fuel cycle infrastructure As a Mid-Level Mechanical Engineer, you will serve as a technical leader responsible for the ...

Pae

Mid-Level Architect

Oak Ridge, TN · On-site

Mid-Level Architect Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people ...

New

Sargent & Lundy

Civil Engineer - Mid-Level

Chattanooga, TN · On-site

$69K - $99K/yr

As a member of a multi-disciplined engineering and design team, you will work on a wide range of power plant projects and perform civil site development work including creating calculations, designs ...

Sargent & Lundy

Civil Engineer - Mid-Level

Chattanooga, TN · Hybrid

$69K - $99K/yr

As a member of a multi-disciplined engineering and design team, you will work on a wide range of power plant projects and perform civil site development work including creating calculations, designs ...

Sargent & Lundy

Civil Engineer - Mid-Level

Chattanooga, TN · Hybrid

$69K - $99K/yr

As a member of a multi-disciplined engineering and design team, you will work on a wide range of power plant projects and perform civil site development work including creating calculations, designs ...

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Mid Level Faang Engineer information

What is a mid level FAANG engineer?

A Mid Level FAANG Engineer is a software engineer with several years of professional experience (typically 2-5 years) working at one of the major tech companies collectively known as FAANG: Facebook (Meta), Apple, Amazon, Netflix, and Google. These engineers are responsible for designing, developing, testing, and maintaining software systems at scale. They are expected to have strong technical skills, work collaboratively in teams, contribute to project planning, and mentor junior engineers. Mid Level engineers often take ownership of specific features or components and are evaluated on their technical impact and ability to solve complex problems.

What are the key skills and qualifications needed to thrive as a mid level FAANG engineer?

To thrive as a Mid Level FAANG Engineer, you need solid programming skills in languages like Python, Java, or C++, a strong understanding of algorithms and data structures, and typically a bachelor's degree in computer science or a related field. Familiarity with distributed systems, cloud platforms (such as AWS or GCP), and version control systems like Git is often expected, along with experience using major development frameworks and tools. Strong problem-solving abilities, effective communication, and teamwork are crucial soft skills for collaborating on complex projects and driving innovation. These skills are essential for delivering high-quality, scalable software solutions and succeeding in fast-paced, high-impact engineering environments.

What are some common challenges faced by mid level FAANG engineers, and how can they overcome them?

Mid-level engineers at FAANG companies often encounter challenges such as navigating complex codebases, managing increased expectations for ownership, and balancing multiple projects. They are expected to contribute to architectural decisions, mentor junior engineers, and communicate effectively across teams. Overcoming these challenges involves proactive communication, seeking feedback, continuous learning, and leveraging mentorship opportunities. Building strong relationships with cross-functional teams and participating in design discussions can also help mid-level engineers excel and prepare for senior roles.

What is the difference between Mid Level Faang Engineer vs Software Engineer?

AspectMid Level Faang EngineerSoftware Engineer
Required CredentialsBachelor's degree in CS or related field, 2-5 years experience, proficiency in coding languagesBachelor's degree in CS or related field, 1-4 years experience, coding skills
Work EnvironmentFast-paced tech companies, collaborative teams, project-focusedVaried environments including startups, corporations, remote options
Employer & Industry UsagePrimarily in large tech firms like FAANG companies, tech industryWidely used across tech, finance, healthcare, and other sectors

The Mid Level Faang Engineer and Software Engineer roles share similar educational backgrounds and work environments, but Mid Level Faang Engineers typically have more experience and work specifically within top tech companies like FAANG. Both roles focus on software development, but the FAANG role often involves more complex projects and higher expectations.

What are popular job titles related to Mid Level Faang Engineer jobs in Tennessee?

For Mid Level Faang Engineer jobs in Tennessee, the most frequently searched job titles are:

What job categories do people searching Mid Level Faang Engineer jobs in Tennessee look for?

The top searched job categories for Mid Level Faang Engineer jobs in Tennessee are:

What cities in Tennessee are hiring for Mid Level Faang Engineer jobs?

Cities in Tennessee with the most Mid Level Faang Engineer job openings:

Mid Level Faang Engineer jobs near you
Infographic showing various Mid Level Faang Engineer job openings in Tennessee as of July 2026, with employment types broken down into 91% Full Time, 5% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Mid-Level Mechanical Engineer

Amentum

Oak Ridge, TN • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 10 days ago

Job description

We are seeking an experienced, collaborative mechanical engineering professional.
Based in Oak Ridge, Tennessee, this role will provide design engineering support for large-scale, complex projects for a diverse portfolio of clients that includes the U.S. Department of Energy, the National Nuclear Security Administration (NNSA), and commercial nuclear companies. The successful candidate will provide leadership across capital projects involving nuclear infrastructure, advanced reactor deployment, fuel cycle facilities, and mission-critical national security programs while ensuring the highest standards of safety, quality, regulatory compliance, and financial performance.
This is an opportunity to play a key role in delivering projects that strengthen America's nuclear security mission, support the deployment of next-generation nuclear technologies, and expand the nation's commercial nuclear capabilities.
Amentum Nuclear Projects is a Tier 1 services provider supporting the U.S. Department of Energy's, the National Nuclear Security Administration (NNSA), and leading commercial nuclear companies. We deliver safe, innovative, and mission-focused solutions at some of the nation's most complex nuclear security, production, and advanced nuclear technology facilities.
Our core capabilities include:
  • Program and project management
  • NNSA capital line-item projects
  • Naval Reactors facility designs
  • Nuclear facility modernization and construction management
  • Nuclear material and fuel cycle management
  • Technical consulting and owner's engineering
  • Engineering, procurement, and construction management (EPCM) projects
  • Engineering and project delivery for advanced reactor programs, including Small Modular Reactors (SMRs) and advanced reactor technologies
  • Engineering support for commercial nuclear fuel fabrication facilities
  • Engineering and project execution for nuclear fuel reprocessing and related fuel cycle infrastructure

Job Description
As a Mid-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:
  • Perform 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
  • 5+ 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.)
  • USA citizenship is required

Preferred Qualifications:
In addition to the Basic Qualifications the ideal candidate might also have:
  • Prior nuclear, DOE, or high-hazard facility design experience
  • Professional Engineer (PE) license
  • 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:
$80,000 - $130,000
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:
08/12/2026 - 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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