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Strong collaboration and communication skills; comfortable working with cross-functional teams (SRE, platform, hardware, security).Proven track record of upstream contributions to the Linux kernel project or similar upstreams. You will collaborate with engineers across Apple to port, maintain, and upstream device drivers, shepherd kernel changes into production, and continuously raise the bar on kernel quality, automation, and release discipline.

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<h3 style="color: #ffffff; font-size: 16px; font-weight: normal;">We bring amazing people together to make amazing things happen.</h3>
<p>We’re a diverse collection of thinkers and doers, continually reimagining what’s possible to help us all do what we love in new ways. The people who work here have reinvented entire industries with the Mac, iPhone, iPad, and Apple Watch, as well as with services, including iTunes, the App Store, Apple Music, and Apple Pay. And the same passion for innovation that goes into our products also applies to our practices — strengthening our commitment to leave the world better than we found it.</p>
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<h3 style="color: #666666; font-weight: 500;">About Apple</h3>
<p>There’s a place here for every kind of brilliant.
Everyone here is an innovator, or an innovator-to-be, no matter what your team or your role. So bring your passion, courage, and original thinking and get ready to share it, because every new product, service, or feature we invent is the result of people working together to make each others’ ideas stronger. Innovation at this level depends on people who represent the variety of the human experience and inspire us with their own fresh perspectives. Together, we’ll do amazing work that can make a difference in people’s lives. Including your own.

<a href="https://www.apple.com/jobs/us">Learn more about working at Apple.</a>
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Apple Inc

Linux Kernel Engineer

While the primary focus area for this role is Linux Kernel software, your work will cover all aspects of software development spanning the addition of new features, debugging problems and fine tuning code for scalability and performance. This work also involves designing and implementing new Linux kernel features, and working with the upstream kernel development community to get these changes incorporated into the mainline Linux kernel code base.

Arista Networks, Inc.

Linux Kernel Software Engineer

ea_via_bold

Linux Kernel Senior/Lead Software Engineer

PART_TIME

If you enjoy solving complex problems, improving real-world systems, and working across engineering disciplines—this role offers a strong balance of ownership, technical depth, and visible impact. We’re seeking a Senior Software Engineer to join a high-impact team supporting advanced, network-connected security screening systems.

Analogic Corporation

Sr. Software Engineer (Microservices, C++, Linux)

If you enjoy solving complex problems, improving real-world systems, and working across engineering disciplines-this role offers a strong balance of ownership, technical depth, and visible impact. We're seeking a Senior Software Engineer to join a high-impact team supporting advanced, network-connected security screening systems.

Analogic Corp

Sr. Embedded Software Engineer (Microservices, C++, Linux)

You will act as a key interface between transistor-level analog building blocks and digital control systems, running functional simulations across power sequencing, register configurations, and system-level testcases to ensure first-pass silicon success. Run and debug top-level AMS simulations using Cadence AMS Designer and Virtuoso to verify chip-level interactions between analog front-ends and digital logic.

<p><strong>Join the Allegro Team</strong> <br/><br/>
Allegro is a great place to work! At Allegro you will be given the freedom to share your ideas and truly make a difference. Our international reputation for developing innovative, high-quality products is achieved through the efforts of creative and dedicated employees. Our company culture provides a work environment which is professionally challenging, dynamic and fun. Allegro encourages you to continue your professional development through a tuition reimbursement plan and fosters your growth through challenging assignments, on-site training, workshops and lunchtime learning sessions. 
Allegro is headquartered in Worcester, Massachusetts (USA) with design and applications centers located in North and South America, Asia, and Europe.
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<strong>Brilliant Technology Isn’t All that Sets Us Apart </strong>
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          Allegro MicroSystems, LLC is a leader in developing, manufacturing and marketing high-performance semiconductors. Allegro's innovative solutions serve high-growth applications within the automotive market, with additional focus on office automation, industrial, and consumer/communications solutions. All we do and everything we’ve achieved comes down to the strength of our team:  driven, dynamic professionals, like you!  If you’re ready to stand apart from the crowd and realize your full potential, contact us today. </p>

Allegro MicroSystems Inc

Mixed Signal Design Verification Engineer

In this Senior Software Engineer position supporting our MES Systems you will make impacts in the following ways; Design, develop and support our databases (PL/SQL, SQL, Oracle) and web site (JavaScript, Java, HTML, CSS). Design and implement automated data collection software tools Maintain detailed documentation of all changes and test plans PREFERRED: BS in computer science preferred with 4-7 years of relevant technical experience.

HOUR

Apollo Professional Solutions was founded by Gayle A. Williams in 1983 as a technical staffing firm supporting New England aerospace companies.  Today, Apollo has grown into a $40 million year company, with 5 regional offices nationwide that offers diversified support to industries that include: defense, military, aeronautical, civil, food & beverage, healthcare, marine, pharmaceutical and scientific industries, as well as local government. We are an equal opportunity employers, that is also certified as a Women’s Business Enterprise by WBENC as well as the State of Massachusetts (SOWMBA Office.)

Apollo Professional Solutions

Principle Software Engineer

HaleyMarketing

The Role We are seeking a Full Stack Engineer to join our team to develop and support high-quality applications serving wealth management and other business units. Proven experience developing enterprise-scale applications using Java Spring Framework and Angular on UNIX/Linux platforms.

HCL Global Systems Inc.

Full Stack Engineer

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Systems engineering experience across the development lifecycle, including requirements analysis, decomposition, derivation, and allocation; modeling and simulation; design and development; and integration and testing. Master’s degree in Engineering, Mathematics, Systems Engineering, Computer Science, or a related technical field.

<h3>Discover your next career opportunity with HEPCO</h3>
<p>Add flexibility to your career with contract jobs or grab the next rung on the career ladder. Our specialized recruiters can help you make connections with top employers nationwide.</p>
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<h3>Work with Technical Recruiting Experts</h3>
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<p>Tell us about your interests and career goals. This information, together with a complete profile of your skills, experience and work history can help us to create the ideal match for you. Whether you’re looking for the flexibility of contract jobs or are ready to take the next step in your career, you can count on our expertise.</p>
<p>Since 1973 we’ve helped technical professionals leverage their skills to achieve their career goals. Our technical placement services include temporary, temp-to-hire and direct hire jobs.</p>
<p>No matter where you are in your career or what you’re looking for next, HEPCO makes the job search process simple and rewarding. Our focus on certain specialty areas allows us to offer a tailored, personal approach. We understand what our clients are looking for, which means that we know where you will fit and can help you find a position.</p>
<p>We are committed to supporting and enhancing the careers of the professionals we work with.</p>
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<p>At HEPCO, we are committed to providing a positive, professional experience for all of our candidates and contract employees. We leverage our expertise in a variety of technical disciplines to help you find jobs that bring the right amount of challenge and reward to your career.</p>
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<p>At HEPCO, we are committed to providing a positive, professional experience for all of our candidates and contract employees. We leverage our expertise in a variety of technical disciplines to help you find jobs that bring the right amount of challenge and reward to your career.</p>
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HEPCO, Inc.

Sr. Principal Systems Engineer (On-site)

Our client is seeking a Principal Software Engineer to support the development and sustainment of a Paperless Manufacturing Execution System (MES) and its supporting databases. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from HEPCO, Inc and its affiliates, and contracted partners.

Principle Software Engineer (On-site)

Our worldwide team members are passionate about driving our customers' business growth with a scalable portfolio of products, solutions, services, support, and world-class partnerships for the manufacturing of signage, packaging, textiles, ceramic tiles, building materials, commercial print, and personalized documents with a wide range of printers, inks, digital front ends, and workflow solutions. In this role, you will collaborate with New Product Development teams and third-party vendors to develop and integrate applications with printer control systems, support and evolve our unified printer software platform, sustain our installed base of legacy products, and help drive software quality.

 EFI is leading the transformation from analog to digital imaging with scalable, digital, award-winning products. Based in Silicon Valley, California with offices around the world, EFI helps businesses and enterprises work more productively and cost-effectively with an integrated product portfolio consisting of industrial inkjet printers and inks, powerful digital front ends, precise color management tools, eCommerce, web-to-print and productivity software for business automation, and mobile and cloud printing products. 

Software Engineer (Londonderry, NH)

PGS Worldwide is seeking a Secret-Cleared SIGINT Systems Engineer in Hudson, New Hampshire for an approximately one-year onsite contract-to-hire role supporting a leading aerospace & defense company. As a Veteran Founded company, we know that the military has given you the skills and training you need to succeed in positions like this, and we want to support your success in the civilian sector however we can.

PGS Worldwide

Secret-Cleared SIGINT Systems Engineer

Amphenol High Speed Products Group is the market leader for high speed, high bandwidth electrical connectors for the Telecom/Datacom market (Mobile Networks, Storage, Servers, Routers, Switches, etc.). Amphenol Corporation is one of the world’s largest designers and manufacturers of electrical, electronic and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products and coaxial and high-speed specialty cable.

Amphenol TCS

Firmware Engineer

AcquireTM

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. Experience developing applications that cover distributed processing, signal processing, multi-threaded, real time, embedded, low latency, device control, and Software Defined Radio applications.

YEAR

BAE Systems Plc

Senior Principal II Software Engineer - Lead

Experienced in developing test and measurement solutions for electrical and optical components or subsystems including developing software which interfaces directly with test equipment and/or product hardware (as opposed to pure GUI/ web interface software). The Principal Electro-Optics Test Software Development Engineer is an established and experienced member of the new products development/introduction team bridging the space between prototype concepts and final delivery of electro-optic products from R&D to manufacturing.

SubCom LLC

Principal Electro-Optic Test Software Design Engineer (7997)

We also recognize the importance of work-life balance and therefore developed a competitive total rewards package including programs that offer employees flexibility to balance their work and life including: 9/80 work schedule - enjoy every other Friday off! You'll work alongside talented engineers and researchers solving challenging problems while helping create safer transportation and security systems worldwide.

Algorithm Engineer

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. 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.

Software Engineer II - Precision Sensing & Seeker Systems

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. 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.

Bios Senior/Lead Software Engineer

The EOS Platform Independent (PI) Layer 2 and network services team is responsible for building innovative and scalable solutions in the areas of Layer 2 protocols including 802.1X, LACP, MACsec, Multi-chassis LAG (MLAG), STP, and network management and security services such as AAA (TACACS/RADIUS), DHCP, DNS, IP Locking, Logging, SNMP, SSH/OpenSSL, ZTP etc. This is a global team spanning multiple geographies working on cutting edge features that are deployed in the largest Campus, Cloud provider, Enterprise and Service Provider networks.

Senior/Lead Software Engineer, EOS Layer 2 And Network Services

In this role, you will get to confront complex, multi-dimensional problems such as "Upgrade software on a switch with no more than a few milliseconds of downtime" or "Render a routing table with >1M routes into the forwarding path on a router with a hundred forwarding chips" that are open ended, challenging, fun and require strong problem solving skills. As a Senior/Lead PFE software engineer, you will collaborate and work with customers, product management and engineers to design and build novel packet forwarding features in EOS that help networks run effectively and efficiently.

Linux Engineer Jobs in New Hampshire

Linux Kernel Engineer Apple Inc

Linux Kernel Software Engineer Arista Networks, Inc.

Linux Kernel Senior/Lead Software Engineer Arista Networks, Inc.

Sr. Software Engineer (Microservices, C++, Linux) Analogic Corporation

Sr. Embedded Software Engineer (Microservices, C++, Linux) Analogic Corp

Mixed Signal Design Verification Engineer Allegro MicroSystems Inc

Principle Software Engineer Apollo Professional Solutions

Full Stack Engineer HCL Global Systems Inc.

Sr. Principal Systems Engineer (On-site) HEPCO, Inc.

Principle Software Engineer (On-site) HEPCO, Inc.

Software Engineer (Londonderry, NH) EFI

Secret-Cleared SIGINT Systems Engineer PGS Worldwide

Firmware Engineer Amphenol TCS

Senior Principal II Software Engineer - Lead BAE Systems Plc

Principal Electro-Optic Test Software Design Engineer (7997) SubCom LLC

Algorithm Engineer Analogic Corp

Software Engineer II - Precision Sensing & Seeker Systems BAE Systems Plc

Bios Senior/Lead Software Engineer Arista Networks, Inc.

Senior/Lead Software Engineer, EOS Layer 2 And Network Services Arista Networks, Inc.

Lead Software Engineer, Packet Forwarding Arista Networks, Inc.

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