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Senior Software Engineer Jobs in Merrimack, NH (NOW HIRING)

Senior Software Engineer

Lowell, MA ยท On-site +1

$118K - $195K/yr

As a Senior Software Engineer, your main focus will be on designing, developing, testing and collaborating with other contributors over the world to bring features on existing components or bootstrap ...

Senior Software Engineer

Nashua, NH ยท On-site

$123K - $163K/yr

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast-paced, and dynamic company. Responsible for developing, maintaining, and advancing state-of-the-art ...

Senior Software Engineer

Nashua, NH ยท On-site

$123K - $163K/yr

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast-paced, and dynamic company. Responsible for developing, maintaining, and advancing state-of-the-art ...

Senior Software Engineer

Nashua, NH ยท On-site

$123K - $163K/yr

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast-paced, and dynamic company. Responsible for developing, maintaining, and advancing state-of-the-art ...

Senior Software Engineer

Andover, MA ยท On-site

$123K - $163K/yr

They are seeking a Senior Software Engineer to solve complex business problems through software design and engineering solutions, working closely with finance, operations, and investment teams to ...

Senior Software Engineer

North Andover, MA ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Carlisle, MA ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

East Hampstead, NH ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Plaistow, NH ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Windham, NH ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Derry, NH ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Salem, NH ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Andover, MA ยท On-site

$129 - $184/hr

The Senior Software Development Engineer will have the opportunity to contribute to the full life cycle of embedded software applications that preserve donated hearts, lungs, livers, and other organs ...

Senior Software Engineer

Lowell, MA ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Andover, MA ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Dracut, MA ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Londonderry, NH ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Pelham, NH ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

North Salem, NH ยท On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

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Showing results 1-20

Senior Software Engineer information

See Merrimack, NH salary details

$77.3K

$146.7K

$196.6K

How much do senior software engineer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for senior software engineer in Merrimack, NH is $146,709.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,400.00 and $165,400.00 per year, depending on experience, location, and employer.

What is a senior software engineer?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

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

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.

What are some common challenges senior software engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

What is the difference between Senior Software Engineer vs Software Developer?

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

What does a senior software engineer do?

A senior software engineer designs, develops, and maintains software applications, often leading projects and mentoring junior team members. They analyze requirements, write code, perform testing, and collaborate with cross-functional teams to ensure quality and efficiency. Proficiency in programming languages, problem-solving skills, and experience with development tools are essential for this role.

What are the most commonly searched types of Software Engineer jobs in Merrimack, NH?

The most popular types of Software Engineer jobs in Merrimack, NH are:

What are popular job titles related to Senior Software Engineer jobs in Merrimack, NH?

For Senior Software Engineer jobs in Merrimack, NH, the most frequently searched job titles are:

What job categories do people searching Senior Software Engineer jobs in Merrimack, NH look for?

The top searched job categories for Senior Software Engineer jobs in Merrimack, NH are:

What cities near Merrimack, NH are hiring for Senior Software Engineer jobs?

Cities near Merrimack, NH with the most Senior Software Engineer job openings:

Infographic showing various Senior Software Engineer job openings in Merrimack, NH as of August 2026, with employment types broken down into 87% Full Time, 10% Part Time, and 3% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $146,709 per year, or $70.5 per hour.

Senior Software Engineer

Redhat

Lowell, MA โ€ข On-site, Remote

$118K - $195K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 11 days ago


Key responsibilities

  • Design, develop, test, and collaborate on PKI solutions and features within Red Hat Enterprise Linux and the Red Hat Certificate System.

  • Participate in the entire development cycle, including requirements gathering, coding, testing, and verification.

  • Communicate and collaborate with internal and external teams, influence technical direction, and mentor other engineers.


Job description

About the Job

The Red Hat Identity Management (IdM) Engineering team seeks a Senior Software Engineer to help us deliver on the next generation of Public Key Infrastructure (PKI) product functionalities within Red Hat Enterprise Linux (RHEL) and the Red Hat Certificate System as well as contributing to open-source projects like Dogtag PKI. As a Senior Software Engineer, your main focus will be on designing, developing, testing and collaborating with other contributors over the world to bring features on existing components or bootstrap new ones. This is an ideal position for engineers interested in contributing to open source projects, and services for enterprise & public sector critical infrastructure.

What you will do
  • Lead the design and development of high-quality PKI solutions, own the quality of their code and contribute to testing frameworks.

  • Participate in the whole development cycle from requirements gathering, scoping, source code development to testing and verification

  • Practice defensive programming to deliver stable and high-quality software for Red Hat customers and upstream communities.

  • Communicate and collaborate with developers and teams inside and outside Red Hat

  • Influence the technical direction of their team and adjacent teams by building consensus in broader discussions with internal customers or through active participation in external communities

  • Mentor and coach other engineers, share expertise by producing comprehensive design documents, writing blog posts, and mentoring others on documentation and communication best practices

What you will have
  • 5+ years of professional software engineering experience.

  • Java / Rust programming experience; professional or academic experience is required

  • Knowledge of Linux operating system and its development tools; any distribution is OK

  • Experience with PKI, cryptography, and general system and software security technologies

  • Experience using AI agents to accelerate development efforts.

  • Good written and verbal communication in English.

The following will be considered a plus
  • Experience with an autonomous agentic software defined lifecycle

  • Experience with Agile development methodologies (e.g. Scrum, JIRA)

  • Experience with Python, Bash, or similar scripting languages

  • Experience with software testing, CI/CD, and related frameworks

  • Experience with package maintenance on Fedora/RHEL

  • Experience with hybrid cloud systems or frameworks (e.g., OpenShift, AWS, Microsoft Azure)

#LI-EK1

Red Hat will not be providing visa sponsorship for this position. Therefore, in order to be considered for this position, you must have the ability to work without a need for current or future visa sponsorship.

The salary range for this position is $118,600.00 - $195,680.00. Actual offer will be based on your qualifications.

Pay Transparency

Red Hat determines compensation based on several factors including but not limited to job location, experience, applicable skills and training, external market value, and internal pay equity. Annual salary is one component of Red Hat's compensation package. This position may also be eligible for bonus, commission, and/or equity. For positions with Remote-US locations, the actual salary range for the position may differ based on location but will be commensurate with job duties and relevant work experience.

About Red Hat

Red Hat is the world's leading provider of enterprise open source software solutions, using a community-powered approach to deliver high-performing Linux, cloud, container, and Kubernetes technologies. Spread across 40+ countries, our associates work flexibly across work environments, from in-office, to office-flex, to fully remote, depending on the requirements of their role. Red Hatters are encouraged to bring their best ideas, no matter their title or tenure. We're a leader in open source because of our open and inclusive environment. We hire creative, passionate people ready to contribute their ideas, help solve complex problems, and make an impact.

Benefits
Comprehensive medical, dental, and vision coverage
Flexible Spending Account - healthcare and dependent care
Health Savings Account - high deductible medical plan
Retirement 401(k) with employer match
Paid time off and holidays
Paid parental leave plans for all new parents
Leave benefits including disability, paid family medical leave, and paid military leave
Additional benefits including employee stock purchase plan, family planning reimbursement, tuition reimbursement, transportation expense account, employee assistance program, and more!

Note: These benefits are only applicable to full time, permanent associates at Red Hat located in the United States.

Inclusion at Red Hat
Red Hat's culture is built on the open source principles of transparency, collaboration, and inclusion, where the best ideas can come from anywhere and anyone. When this is realized, it empowers people from different backgrounds, perspectives, and experiences to come together to share ideas, challenge the status quo, and drive innovation. Our aspiration is that everyone experiences this culture with equal opportunity and access, and that all voices are not only heard but also celebrated. We hope you will join our celebration, and we welcome and encourage applicants from all the beautiful dimensions that compose our global village.

Equal Opportunity Policy (EEO)
Red Hat is proud to be an equal opportunity workplace and an affirmative action employer. We review applications for employment without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, ancestry, citizenship, age, veteran status, genetic information, physical or mental disability, medical condition, marital status, or any other basis prohibited by law.


Red Hat does not seek or accept unsolicited resumes or CVs from recruitment agencies. We are not responsible for, and will not pay, any fees, commissions, or any other payment related to unsolicited resumes or CVs except as required in a written contract between Red Hat and the recruitment agency or party requesting payment of a fee.Red Hat supports individuals with disabilities and provides reasonable accommodations to job applicants. If you need assistance completing our online job application, email application-assistance@redhat.com. General inquiries, such as those regarding the status of a job application, will not receive a reply.