SECRET Clearance* Manufacturing Engineering level 4

Manufacturing Engineer – Cleared Role

Employment Type:

Contract (3 openings)

Clearance Requirement: U.S. Citizenship required. This position supports work that requires eligibility for a U.S. Department of Defense Secret Security Clearance. Candidates with an active clearance are strongly preferred; candidates who are eligible and willing to obtain and maintain a Secret clearance will also be considered, in accordance with federal regulations.

Conversion Opportunity:
Potential to convert to direct hire based on performance and business needs.

We are seeking experienced Manufacturing Engineers to support the manufacture, assembly, and integration of mechanical components for advanced rocket engine and power systems products. This role is well‑suited for hands‑on engineers with a strong background in welding, machining, and shop‑floor manufacturing environments who thrive in technically complex, high-reliability programs.

The Manufacturing Engineer will support multiple mechanical components or serve as a process engineer for new and developing manufacturing processes that may be applied across multiple programs. The role offers increasing responsibility based on performance and experience.

• Manufacturing Process Development & Hardware Design (Approx. 40%)
• Project & Process Management (Approx. 40%)
• Tight Tolerance Machining (Approx. 10%)
• Welding Process Support (Approx. 10%)
• Safety, Quality & Leadership

• Design, develop, review, and implement manufacturing hardware and processes supporting production and engineering customers.
• Utilize CAD and manufacturing tools such as ProE, CATIA, or similar platforms, along with MS Word and Excel.
• Review and interpret engineering drawings and specifications.
• Develop fabrication and assembly processes, including precision turning, tight‑tolerance machining, and complex welding operations.
• Define tooling requirements, machine setups, hardware handling instructions, and sequencing of operations.
• Determine cleaning, etching, packaging, and protection processes for a wide variety of materials.
• Support engineering design reviews, including PDR, CDR, and CoDR.

• Lead and manage manufacturing projects with moderate to high complexity.
• Apply Lean manufacturing principles, including Kaizen, Value Stream Mapping (VSM), 3P, and process certification.
• Prepare and present Basis of Estimates (BOEs), manufacturing plans, proposals, and risk assessments.
• Evaluate supplier capabilities based on technical performance, repeatability, reliability, rates, and quality system compliance.
• Drive process improvements that enhance safety, quality, cost, and delivery performance.

• Define geometric dimensioning and tolerancing (GD&T) for complex designs.
• Select appropriate machining and measurement methods, tooling, and equipment to meet specifications.

• Develop and implement welding processes for complex configurations and diverse material types.
• Define welding tooling and fixtures while maintaining dimensional and quality requirements.

• Conduct risk assessments to eliminate or mitigate risks to personnel, hardware, and facilities.
• Ensure compliance with safety, quality, and environmental requirements.
• Provide technical guidance, coaching, and training to other engineers and technicians.
• Communicate effectively with internal teams and external partners, including suppliers and customers.

• Bachelor’s degree with 6+ years of relevant manufacturing engineering experience.
• OR Master’s degree with 4+ years of relevant experience.
• OR 10+ years of directly related experience in lieu of a degree.
• Strong experience in machining, welding, and shop‑floor manufacturing environments.
• Excellent verbal and written communication skills.
• Strong organizational, multitasking, and problem‑solving abilities.
• Ability to work independently and collaboratively in a team‑based environment.
• Commitment to continuous improvement and operational excellence.

This is a high‑impact opportunity to contribute to mission‑critical manufacturing programs while advancing your career in a technically challenging, clearance‑supported engineering environment.

Apollo Professional Solutions, Inc. is an equal opportunity 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, marital status, age, national origin, ancestry, disability status, medical condition, pregnancy, genetic information, protected veteran status, gender, sexual orientation, gender identity or expression, or any other status or characteristic protected under federal, state, or local law.