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Salary
$100k – $133k per year
Location
In office (United States)
Seniority
Senior · 5+ years exp
Visa
No sponsorship (stated in the posting)

Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Oct 20, 2026.

Overview
Company
Impact
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Beyond New Horizons (BNH) is a joint venture of Astrion and Fluor that provides test operations and sustainment services for the Arnold Engineering Development Complex at Arnold Air Force Base near Tullahoma, Tennessee. Formed to deliver testing and evaluation of military and space systems, it combines the test, engineering and IT expertise of Astrion with the government program management and construction capability of Fluor for specialised high-hazard facilities, with work also at sites in Mountain View, California and White Sands, New Mexico. It hires mechanical, electrical, radar and structural dynamics engineers, technical specialists, Linux and Splunk administrators and drafters.

Overview

Job Title: Mid-Career Mechanical Engineer- Process Systems

Location: Arnold AFB, TN

Job Family Code: O - Engineering

Function/Branch: Design & Manufacturing

Directorate: Engineering & Tech Support

Position Type: Regular, Full Time

Pay Type: Exempt

Grade (provided by HR): L08 (OA0815) - L09 (OA0915)

Salary Range or Starting Hourly Rate (provided by HR): L08: $99,500 - $132,500; L09: $119,500 - $159,000/ per year

Overview

Beyond New Horizons, LLC (BNH) has an exciting opportunity for a Mid-Career Mechanical Engineer supporting TOS II, Arnold Engineering Development Complex (AEDC) at Arnold AFB, TN. The Mechanical Engineer will be working as a member of an integrated team responsible for supporting the United States Air Force Test Operations and Sustainment efforts.

Open to internal and external candidates.

Job Summary

The successful candidate for Mid-Career Mechanical Engineer will leverage their experience to execute Process Systems designs. This Engineer will independently perform complex design and analysis tasks, lead small to medium sized teams in development of designs, check design packages, lead design reviews, and mentor/oversee early career engineers.

Job Duties:

Typical tasks include (but are not limited to):

· Develop designs for mass and heat transfer systems including steam, air, fuel, hydraulics, coolants, evacuation systems, pumps, and heat exchangers.

· Provide hydraulic, thermal, or other analysis to support the proposed design. This will include development of schematic and layout drawings, development of procurement packages to support procurement of mechanical and process equipment, and preparation of supporting calculations.

· Independently perform complex analysis and design of components, systems, and facilities.

· Check complex analysis and design originated by less experienced engineers.

· Develop concepts for new hardware and provide thermal, structural, flow, or any other required analysis to support the proposed design. Evaluate the analysis results for suitability relative to applicable codes and standards.

· Provide engineering support to the appropriate craft workforce to facilitate maintenance and repair of existing systems. Evaluate existing hardware for safety, security and potential for improvement.

· Work with the design team (drafters, checkers, etc.) to produce complete design packages, including detailed drawings, analysis reports, and equipment specifications, and be capable of communicating the details of these design packages to the remaining project team (system engineers, test engineers, project managers, craft supervisors, etc.)

· Serve as responsible engineer/point of contact for the Design Engineering support to a complex, multi-year project.

· Coordinate with the appropriate system engineer, craft supervisor, and/or work planner to ensure that hardware is fabricated and installed in accordance with the approved design package.

· May serve as Team Lead (typically >5 members) conducting complex analysis and design of components, systems, and facilities.

· Serves as an expert on Design Engineering execution, providing coaching and guidance to the rest of the team.

· It is a condition of employment to wear company issued PPE (Personal Protective Equipment) in accordance with supervisory direction and company policy.

· Perform other related duties as required.

Basic Qualifications:

· B.S. degree in mechanical engineering from an accredited college or university and a minimum of five years’ experience with the design of complete process systems including pumps, valves, heat exchangers, pressure vessels, piping, or other related equipment.

· Must be able to obtain and maintain an active security clearance and maintain authorized user access to the AEDC local area network.

· U.S. Citizenship is required due to federal government contract compliance requirements and the necessity to access secure federal databases and networks on Arnold Air Force Base.

Preferred Qualification

· 3 years of experience in Process Systems Design.

· Familiarity with the design of complete process systems including pumps, valves, heat exchangers, pressure vessels, piping, or other related equipment.

· 3 years of experience utilizing CAD (AUTODESK INVENTOR).

· Demonstrated competence in application of ASME Y14.5 Geometric Dimensioning and Tolerancing (GD&T).

· 2 years of experience providing support to model/machine shop during fabrication, assembly, and installation.

· Familiarity with wind tunnel model design and fabrication.

· Familiarity with turbine and rocket test cells, wind tunnels, space chambers, and/or arc heater facilities; or other industry product test facilities is desirable.

· Professional Engineering Licensure

· Active DoD Secret security clearance

What We Offer

· Competitive salaries

· Continuing education assistance

· Multiple healthcare benefits packages

· 401K with employer matching

· Paid time off (PTO) along with a federally recognized holiday schedule

Who We Are

Beyond New Horizons (BNH) is a fully populated joint venture of Astrion and Fluor Federal Services, Inc. formed to provide unmatched Test Operations and Sustainment services for the Arnold Engineering Development Complex. We chose our name to serve as an enduring reminder of our commitment to AEDC’s rich aerospace research and development legacy anchored in AEDC’s Toward New Horizons founding study and the unprecedented opportunities to greatly expand AEDC’s capabilities and capacity Beyond those existing today. Leveraging the capabilities of our parent companies, BNH specializes in testing and evaluation for military and space systems combined with proven capability in large-scale Government program management, integration, engineering, and construction services for specialized and technically advanced high-hazard facilities.

Join our Team!

U.S. Citizenship is required. At this time BNH will not sponsor any applicants for employment authorization or offer any immigration related support for this position (i.e. H1b, F1 OPT, F-1 STEM OPT, F-1 CPT, J-1, E-2, E-3, L-1, or other forms of work authorization that require immigration support from an employer).

The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations and refers to the amount BNH is willing to pay at the time of this posting. Salaries for part-time jobs will be adjusted based upon the number of hours agreed to work at location Tennessee: Arnold Air Force, TN.

L08: $99,500 - $132,500; L09: $119,500 - $159,000/ year at Arnold Air Force Base, TN.

BNH is an Equal Employment Opportunity/Affirmative Action Employer. We provide equal employment opportunities to all employees and applicants for employment and prohibit discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

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