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Junior Systems Engineer Jobs in Rochester, NH (NOW HIRING)

CACI International, Inc.

Junior Engineer

Portsmouth, NH · On-site

$63K - $129K/yr

Job Title: Junior Engineer Job Category: Engineering Time Type: Full time Minimum Clearance ... Electrical / Mechanical / Systems / Ocean engineering degree from an ABET Accredited College ...

CACI International, Inc.

Junior Engineer

Portsmouth, NH · On-site

$53K - $106K/yr

Job Title: Junior Engineer Job Category: Engineering Time Type: Full time Minimum Clearance ... Electrical / Mechanical / Systems / Ocean engineering degree from an ABET Accredited College ...

CACI

Junior Engineer

Kittery, ME

$53K - $106K/yr

Job Title: Junior Engineer Job Category: Engineering Time Type: Full time Minimum Clearance ... Electrical / Mechanical / Systems / Ocean engineering degree from an ABET Accredited College ...

CACI International, Inc.

Junior Engineer

Portsmouth, NH · On-site

$63K - $129K/yr

Job Title: Junior Engineer Job Category: Engineering Time Type: Full time Minimum Clearance ... Electrical / Mechanical / Systems / Ocean engineering degree from an ABET Accredited College ...

CACI

Junior Engineer

Portsmouth, NH

$53K - $106K/yr

Job Title: Junior Engineer Job Category: Engineering Time Type: Full time Minimum Clearance ... Electrical / Mechanical / Systems / Ocean engineering degree from an ABET Accredited College ...

Lonza

Computer Systems Validation Engineer

Portsmouth, NH · On-site

$80 - $100/hr

Computer Systems Validation Engineer United States, Portsmouth (New Hampshire) Location: Portsmouth ... Mentor and train junior members of the department. Qualifications * Bachelor's degree required ...

ICONMA

Junior Recruiter

Portsmouth, NH · On-site

$40K - $52K/yr

Our Staff Members Our in-house team offers a broad range of Information Technology, Engineering ... Use the full functionality of our applicant tracking system to manage the selection, offer ...

Wilcox Industries

Senior Firmware Engineer

Newington, NH · On-site

$123K - $163K/yr

... Systems Engineering, and Program Management teams. * Coaches engineers across the organization; shapes career development plans for junior and mid-level firmware engineers. * Leads design reviews ...

Jayes Tech LLC

Senior Electrical Engineer

Portsmouth, NH · On-site

$125 - $150/hr

... junior engineers, and performing quality assurance on projects to maintain excellence in engineering solutions. Qualifications * Expertise in Electrical Systems Design, Load Calculations, and Circuit ...

Galvion

Senior Electronics Engineer

Portsmouth, NH

$109K - $135K/yr

The role requires the ability to conduct system design, produce electronic assemblies, create ... Trains and Mentors junior engineers. * Develops and ensures compliance with best practices and ...

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All JobsSystems Engineer JobsJunior Systems Engineer JobsJunior Systems Engineer Jobs in Rochester, NH

Junior Systems Engineer information

See Rochester, NH salary details

$23.5K

$83.6K

$144.4K

How much do junior systems engineer jobs pay per year?

As of Sep 7, 2026, the average yearly pay for junior systems engineer in Rochester, NH is $83,591.00, according to ZipRecruiter salary data. Most workers in this role earn between $61,200.00 and $85,600.00 per year, depending on experience, location, and employer.

What is a junior systems engineer?

Junior Systems Engineers are entry-level professionals who assist in designing, implementing, and maintaining computer systems and networks. They work under the supervision of senior engineers, helping to troubleshoot issues, configure hardware and software, and ensure system reliability. Their role often includes monitoring system performance, supporting IT projects, and learning industry best practices. This position is ideal for recent graduates or those new to the field, providing valuable hands-on experience and opportunities for growth.

What does a junior systems engineer do?

A junior systems engineer helps develop and maintain all computer systems for a business. As a junior systems engineer, your typical job duties involve installing, monitoring, and troubleshooting operating systems, software, hardware, and other computer infrastructure. For this career, you need a bachelor’s degree in computer science or a related field. Additional qualifications include system administrative experience, excellent technical skills, and familiarity with common programming languages. A junior systems engineer is an entry-level position that often serves as a stepping stone for this career.

What are the key skills and qualifications needed to thrive as a junior systems engineer, and why are they important?

To thrive as a Junior Systems Engineer, you need a solid understanding of computer systems, networking fundamentals, and troubleshooting, usually supported by a degree in computer science or a related field. Familiarity with operating systems (such as Windows and Linux), scripting languages, and common IT certifications like CompTIA or Microsoft Certified Solutions Associate (MCSA) is highly valuable. Strong analytical thinking, attention to detail, and effective communication help you excel in problem-solving and collaborating with teams. These skills and qualifications are crucial for ensuring system reliability, timely issue resolution, and smooth technical operations in an organization.

What are some common challenges faced by junior systems engineers during their first year on the job?

Junior Systems Engineers often encounter challenges such as adapting to complex IT environments, learning new tools and technologies quickly, and understanding existing system architectures. They may also need to develop effective troubleshooting skills while balancing multiple tasks and deadlines. Collaborating with senior engineers and cross-functional teams is key, as it helps build technical knowledge and confidence in problem-solving within real-time production environments.
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What are the most commonly searched types of Systems Engineer jobs in Rochester, NH?

The most popular types of Systems Engineer jobs in Rochester, NH are:

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For Junior Systems Engineer jobs in Rochester, NH, the most frequently searched job titles are:

What cities near Rochester, NH are hiring for Junior Systems Engineer jobs?

Cities near Rochester, NH with the most Junior Systems Engineer job openings:

Junior Systems Engineer jobs near you
Infographic showing various Junior Systems Engineer job openings in Rochester, NH as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $83,591 per year, or $40.2 per hour.

Junior Engineer

CACI International, Inc.

Portsmouth, NH • On-site

$63K - $129K/yr

Full-time

Medical, Retirement, PTO

Re-posted 20 days ago

Job description

Job Title: Junior Engineer
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: Secret
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Continental US
* * *
The Opportunity:
CACI has an immediate opening for an Electrical / Mechanical / Systems / Ocean Engineer to support engineering and planning efforts for Submarine Rescue and Undersea Mobility platforms at the Portsmouth Naval Shipyard (PNS) in Kittery, Maine.
Responsibilities:
  • Develop modernization plans/changes for the US Navy Deep Submergence Assets and Support Systems
  • Perform mechanical, electrical and/or structural analysis
  • Evaluate components and materials and systems to ensure system integration, compatibility and stability
  • Some travel will be required
  • Work will be in support of US Navy Submarines, Submersibles or Deep Submergence projects

Qualifications:
Required:
  • Electrical / Mechanical / Systems / Ocean engineering degree from an ABET Accredited College/University (other degree disciplines may be considered)
  • Professional engineering experience performing complex engineering calculations such as heat transfer, fluid flow, piping stress, mechanical stress etc.
  • Experience with configuration management and document control
  • Demonstrated ability to manage work in a time-sensitive operational environment
  • Ability to achieve excellence working individually or as part of a team
  • Well-developed interpersonal skills
  • Attention to detail
  • Ability to obtain and maintain a DOD Secret clearance

Desired:
  • Prior experience specifically with US Navy Deep Submergence Assets and Support Systems.
  • Familiarity with Scope of Certification (P9290/Man-010) requirements
  • Electrical power background (NSTM 300)
  • Familiarity with Military Specifications, ANSI and ASME standards
  • Related submarine / submersible experience with design, maintenance, operations, repair and/or testing
  • Experience with MS Office suite of products

This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$53,100-$106,300
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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