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

Arista BIOS software engineers are also responsible for low level software driving the CPU subsystems on all Arista products. You will evaluate new CPUs and work with CPU vendors and BIOS vendors to ...

We are seeking a full stack Software Engineer with strong expertise in .NET and Angular to join our talented engineering team. Working part of an Agile Scrum team, you will play a key role in ...

We are seeking a full stack Software Engineer with strong expertise in .NET and Angular to join our talented engineering team. Working part of an Agile Scrum team, you will play a key role in ...

Software Engineer

Bedford, NH ยท On-site

$140 - $180/hr

Malware analysis and reverse engineering * Resilient networking in support of cyber mission goals * Software-defined networking for cyber defense and deception * Artificial intelligence (reasoning ...

Eng Sr Prin - SW

Merrimack, NH ยท On-site

$125K - $165K/yr

Join our team as a Senior Principal Software Engineer in FAST Labs Engineering As a key member of our team, you will have the opportunity to work on cutting-edge software projects, collaborating with ...

Eng Sr Prin II - SW

Merrimack, NH ยท On-site

$125K - $165K/yr

Join our team as a Senior Principal II Software Engineer in FAST Labs Engineering As a key member of our team, you will have the opportunity to work on cutting-edge software projects, collaborating ...

Malware analysis and reverse engineering * Resilient networking in support of cyber mission goals * Software-defined networking for cyber defense and deception * Artificial intelligence (reasoning ...

Software Engineer

Bedford, NH ยท On-site

$112K - $179K/yr

Malware analysis and reverse engineering * Resilient networking in support of cyber mission goals * Software-defined networking for cyber defense and deception * Artificial intelligence (reasoning ...

Software Engineer

Bedford, NH ยท On-site

$112K - $179K/yr

Malware analysis and reverse engineering * Resilient networking in support of cyber mission goals * Software-defined networking for cyber defense and deception * Artificial intelligence (reasoning ...

Showing results 41-60

Senior Software Engineer information

See Concord, NH salary details

$76K

$144.2K

$193.3K

How much do senior software engineer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for senior software engineer in Concord, NH is $144,234.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,300.00 and $162,600.00 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 Concord, NH?

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

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

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

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

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

Infographic showing various Senior Software Engineer job openings in Concord, 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 $144,234 per year, or $69.3 per hour.

BIOS Software Engineer

Arista Networks

Nashua, NH โ€ข On-site

Full-time

Re-posted yesterday


Job description

Company Description

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges.

At Arista we value the diversity of thought and perspectives that each employee brings to the table. Weย  believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation.

Our commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. At Arista, we take pride in our track record of success and strive to maintain the highest standards of quality and performance in everything we do.

Job Description

Who You'll Work With

Arista's BIOS team is responsible for developing and maintaining the CPU firmware, BIOS and Boot Loader software used in all Arista products..ย  This work includes bringing up new CPU boards, getting EOS to boot securely, efficiently and reliably.ย  This work also involves designing and implementing new features in EOS to manage and secure the low level system initialization and booting subsystems, as well as keeping pace with the latest developments in the open source and proprietary BIOS development communities.

Arista BIOS software engineers are also responsible for low level software driving the CPU subsystems on all Arista products. You will evaluate new CPUs and work with CPU vendors and BIOS vendors to integrate their low level firmware into Arista products. You will work closely with hardware engineers to bring up, validate and test new CPUs in our hardware products.

Arista Software Engineering roles demand a strong and broad software engineering background. While the primary focus area for this role is firmware, BIOS and booting software, your work will cover all aspects of software development spanning the design and development of new features, debugging problems and fine tuning code for reliability and performance. You will own your projects from definition to deployment and customer interactions, and you will be responsible for the quality of everything you deliver.

What You'll Do

  • Design, develop, integrate and maintain the low-level CPU software in Arista products.
  • Develop automated tests using C, C++ and Python to validate your features.
  • Work with hardware engineers and vendors to qualify new CPUs and related components for use in Arista products.
  • Track ongoing developments in the Linux Kernel and identify features and functionality of interest to Arista for our products and for internal development needs.
  • Work with upstream open source BIOS communities to contribute features back to the mainline.
  • Review and contribute to functional and design specifications written by other engineers.
  • Work with Customer Support Engineers and customers to analyze, mitigate and fix problems in customer networks.
  • Work with the System Test Engineers to analyze problems found in their tests and provide fixes for those problems.
  • Provide technical leadership across features, projects and tools.
  • Mentor new and junior engineers to bring them up to speed in Arista's software development environment.
Qualifications
  • BS Computer Science/Electrical Engineering/Computer Engineering + 3 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 2 years experience, or Ph.D. in Computer Science/Electrical Engineering/Computer Engineering + 1 years experience, or equivalent work experience
  • Expert knowledge of and extensive experience programming in C required. ย Knowledge of C++ and Python is desirable.
  • Experience designing and developing software in CPU firmware, BIOS and boot loader environments.
  • Experience bringing up new CPU boards.
  • Significant hands-on experience diagnosing problems, troubleshooting issues, and fixing bugs in low-level CPU firmware, BIOS and boot loader software.
  • Familiarity with Linux kernel architecture, design and implementation desirable
  • Understanding of IP networking architecture, design and principles desirable
  • Applied understanding of modern software engineering principles and practices
  • Strong problem solving and troubleshooting skills.
  • Strong software design and implementation skills.
  • Ability to work independently and in small teams.
  • Ability to communicate articulately, and document your designs and implementations clearly, and concisely.
  • Familiarity with and experience working with the x86 and ARM CPU architectures
Additional Information

Arista Networks is an equal opportunity employer.ย  Arista makes all hiring and employment-related decisions in a non-discriminatory manner without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or any other factor determined to be unlawful under applicable federal, state, or law law.ย  All your information will be kept confidential according to EEO guidelines.