Principal Engineer Jobs in New Hampshire

Principal Engineer jobs in New Hampshire are in active demand, concentrated in defense systems, advanced manufacturing, and technology sectors that anchor the state's economy. Manchester, Nashua, and the seacoast corridor around Portsmouth and Hampton are the primary hiring centers, with established employers such as BAE Systems, Raytheon Technologies, and Dartmouth Health drawing consistent principal engineer talent. The most sought-after specialties are systems engineering, software architecture, and electrical engineering. Find a role that fits below and apply directly.

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Overview

Open roles80
Top employerBAE Systems USA
Top cityNashua, NH
Cities hiring12
Work type47% On-site
Top industryTechnology

Showing 5 of 80+ Principal Engineer jobs

BAE Systems USA
Principal Software Engineer
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BAE Systems USA
New 1m ago
Principal Software Engineer
BAE Systems USA
Nashua, New Hampshire
Engineering (Non-Software)
Product Management
Technical Product & Program Management
On-Site
Bachelor's degree in electrical engineering
10,000+

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BAE Systems USA
Senior Principal Systems Engineer
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BAE Systems USA
New 1m ago
Senior Principal Systems Engineer
BAE Systems USA
Merrimack, New Hampshire
Engineering (Non-Software)
Software Engineering
Technical Program Management
On-Site
Bachelor of Science
10,000+

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BAE Systems USA
Principal Mechanical Engineer, Development
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BAE Systems USA
New 1m ago
Principal Mechanical Engineer, Development
BAE Systems USA
Nashua, New Hampshire
Compliance & Risk
Cybersecurity
Cybersecurity Operations
Security Engineering
On-Site
Bachelor's degree in mechanical engineering
10,000+

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BAE Systems USA
Principal Supplier Quality Engineer, PWB- Electronics Category
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BAE Systems USA
New 1m ago
Principal Supplier Quality Engineer, PWB- Electronics Category
BAE Systems USA
Nashua, New Hampshire
Business Analysis
Business Analyst
Project Management
Remote (US)
Bachelor's degree
10,000+

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Fidelity Investments
Principal Full Stack Java Engineer (Azure/AWS, SpringBoot, REST)
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Fidelity Investments
New 1m ago
Principal Full Stack Java Engineer (Azure/AWS, SpringBoot, REST)
Fidelity Investments
Merrimack, New Hampshire
Business Analysis
Business Analyst
Project Management
On-Site
Bachelor's degree
10,000+

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See All 80 Principal Engineer Jobs in New Hampshire

Find roles in New Hampshire that match your experience and apply in just a few clicks.

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Principal Engineer Jobs by City in New Hampshire

Where New Hampshire roles are concentrated, by current openings.

Nashua
30 jobs
Merrimack
26 jobs
Hudson
7 jobs
Manchester
5 jobs
Portsmouth
2 jobs
Salem
1 job
Exeter
1 job
Pelham
1 job
Amherst
1 job

Principal Engineer Job Market in New Hampshire

A snapshot from current New Hampshire openings, updated as new roles post.

Who's Hiring

  • BAE Systems USA
    BAE Systems USA53
  • Fidelity Investments
    Fidelity Investments8
  • Celestica
    Celestica3
  • Lonza
    Lonza1
  • Raytheon
    Raytheon1

Top Industries Hiring

  • Technology & Software23
  • Investment & Asset Management4
  • Electronics & Hardware3
  • Automotive2
  • Biotechnology & Pharmaceuticals2

What New Hampshire Employers Look For

The qualifications that appear most often in principal engineer jobs across New Hampshire.

  • Bachelor's or master's degree in engineering or a closely related technical field
  • Ten or more years of progressively responsible engineering experience in a relevant discipline
  • Demonstrated ability to lead cross-functional teams and define system-level architecture
  • Experience with defense, aerospace, or regulated manufacturing environments preferred by New Hampshire employers
  • Proficiency with model-based systems engineering tools such as MATLAB, SysML, or equivalent platforms
  • Active security clearance or eligibility to obtain one for defense-sector roles in southern New Hampshire

Principal Engineer Jobs in New Hampshire: Frequently Asked Questions

How do you become a principal engineer in New Hampshire?

Reaching the principal engineer level in New Hampshire typically requires a bachelor's degree in an engineering discipline followed by a decade or more of progressive technical experience. While New Hampshire does not mandate a state-issued professional engineer license for most private-sector roles, employers in defense and regulated manufacturing strongly favor candidates who hold or are pursuing a PE license through the New Hampshire Board of Professional Engineers, which requires passing the Fundamentals of Engineering and Principles and Practice exams.

Which companies hire principal engineers in New Hampshire?

Employers hiring principal engineers in New Hampshire right now include BAE Systems USA, Fidelity Investments, and Celestica, based on current listings on Migrate Mate as of July 2026. New Hampshire's concentration of defense contractors and precision manufacturing firms along the Route 3 and Interstate 93 corridors means a large share of these openings call for systems or electrical engineering backgrounds.

Which New Hampshire cities have the most principal engineer jobs?

The cities with the most principal engineer openings in New Hampshire are Nashua, Merrimack, and Hudson. That distribution reflects the dense cluster of defense contractors and advanced manufacturing facilities in the Nashua-Manchester corridor, where employers such as BAE Systems and Raytheon Technologies maintain significant engineering workforces, while Portsmouth draws additional openings tied to maritime technology and government contracting along the seacoast.

Are there remote principal engineer jobs in New Hampshire?

Yes, though they are less common than in purely software-focused disciplines, since many principal engineer roles in New Hampshire involve hardware, defense systems, or regulated manufacturing environments that require on-site presence. About 53% of principal engineer openings tied to New Hampshire are remote or hybrid as of July 2026. The portions of the role most amenable to remote work are software architecture, systems modeling, and technical documentation.

How can I get hired as a principal engineer in New Hampshire with little or no experience?

The most realistic entry path is through associate or junior engineer roles at New Hampshire's large defense and manufacturing employers, where structured rotational programs at companies such as BAE Systems give early-career engineers exposure to systems integration and program management. A professional engineer license application or an active pursuit of the Fundamentals of Engineering exam through the New Hampshire Board of Professional Engineers signals commitment. Moving laterally from a senior software, electrical, or mechanical engineer title into a lead engineer role is the most common stepping stone before a principal designation.

Where can I find and apply to principal engineer jobs in New Hampshire?

You can find and apply to principal engineer jobs in New Hampshire on Migrate Mate, which lists current openings across the state. Search the listings to find roles that match your discipline and experience level and apply directly to the ones that fit.

See All 80 Principal Engineer Jobs in New Hampshire

Find roles in New Hampshire that match your experience and apply in just a few clicks.

Find Principal Engineer Jobs