Facilities Mechanical Engineer - Senior Principal

Location: Merrimack, New Hampshire, United States

Category: Project & Program Management

Employment Type: Full-Time

Job Description
BAE Systems Electronic Systems: BAE Systems, Inc. is the U.S. subsidiary of BAE Systems PLC, an international defense, aerospace and security company which delivers a full range of products and services for air, land, and naval forces, as well as advanced electronics, security, information technology solutions, and customer support services. As you develop the latest technology and defend national security, you will continually hone your skills on a team making a big impact on a global scale. Our products and capabilities can be found everywhere – from the depths of the ocean to the far reaches of space. At our core more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact – for our customers and the communities we serve.

Culture: At BAE Systems, we celebrate the array of skills, experiences, and perspectives our employees bring to the table. For us, differences are a source of strengths. We are laser-focused on high performance, and we work hard every day to nurture an inclusive culture where all employees can innovate and thrive. Here, you will not only build your career, but you will also enjoy work-life balance, uncover new experiences, and collaborate with passionate colleagues. We foster a diverse, inclusive, and team-oriented environment and provide opportunity for inner-team coaching and growth opportunities. #FAC

Responsibilities:

• Lead oversight and technical guidance, of project engineering solutions for mechanical and plumbing systems n commercial/industrial buildings; corroborates/coordinates with other design team members including client, site/civil and electrical engineers to ensure systems are integrated with the project’s goals.
• Lead the design, design oversight, and execution of HVAC, plumbing & process piping for infrastructure. Responsible for developing and coordinating system reliability plans through assessments, design review and power system studies.
• System Design: Develop detailed engineering designs for systems, including the review/selection and specification of air handlers, exhaust fans, compressors, vacuum pumps, & plumbing fixtures.
• Review & design of inhouse and outside consultants .
• Prior experience in facilities infrastructure and/or utility-scale microgrids.
• Execute mechanical designs in accordance with the company's standards and specific client standards where applicable.
• Understanding of central HVAC and process equipment.
• Maintains strong understanding of applicable Codes and Standards
• Value engineering and buildability improvements that make impact to building performance.
• Feasibility studies, detailed designs, and commissioning support for major infrastructure.
• High‑quality technical review and occasional outputs including layouts, specifications, datasheets, and P&IDs.
• Equipment sizing and specification across pumps, blowers, valves, screening, dosing, and odor control systems.
• Site investigations and engagement with internal contractors, and suppliers.
• Early integration of constructability and commissioning into design solutions.

Required Education, Experience, & Skills

• 8-10 years’ experience
• Proficient in computer use and software’s including but not limited to; AutoCAD, Revit, Excel, Word, Bluebeam, Navisworks.
• Communication skills sufficient to work directly with directors, managers, and customers, so professionalism is necessary.
• Background in engineering design of electrical systems as well as the components of distribution
• Ability to use good judgement and make decisions with authority.

Preferred Education, Experience, & Skills

• Bachelor of Science degree in Mechanical Engineering.
• Experience designing HVAC/Plumbing/Process systems in high performance facilities.
• Experience in execution of large-scale, multi-year capital projects
• Professional Engineering license is a plus.
• Demonstrated success developing direct reports through effective leadership and the setting of realistic but challenging goals
• Experience with construction and renovation projects. Aerospace and defense industry requiring adherence to specific ICDs and DoD construction standards is a plus
• Proficiency with construction design software solutions such as AutoCAD, Revit, and Bluebeam Revu

Pay Information
Full-Time Salary Range: $132962 - $226035

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.


About BAE Systems Electronic Systems
BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.

Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.