System Integration Engineer jobs in Nashua – Browse 15 openings on RoboApply Jobs

System Integration Engineer jobs in Nashua

Open roles matching “System Integration Engineer” with location signals for Nashua. 15 active listings on RoboApply Jobs.

15 jobs found

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Parallel Wireless logoParallel Wireless logo
Full-time|On-site|Nashua

At Parallel Wireless, we are transforming the landscape of mobile networks with our pioneering, energy-efficient Open RAN solutions. Join us in shaping the future of telecommunications as we innovate towards greener and more sustainable networks. Discover our mission, vision, and values here.We are in search of a talented System Integration Engineer to enhan…

Mar 5, 2026
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Pacific Defense logo
Full-time|On-site|Nashua, New Hampshire, United States

** Due to the classified nature of our work, U.S. citizenship is required. Candidates must be willing to obtain and maintain a DoD Security Clearance.Location: Nashua, NH; Sunnyvale, CA; Mukilteo, WAJoin Pacific Defense, a rapidly growing company dedicated to developing innovative multi-function RF systems for the U.S. Department of Defense. We are seeking a talented Senior Systems Engineer to join our Communications Waveform Development engineering team. In this role, you will contribute to the design and construction of advanced, military standards-based modular open systems architecture (MOSA) systems that comply with the Army's C4ISR Modular Open Suite of Standards (CMOSS) and the Air Force's Sensor Open Systems Architecture (SOSA) Standard. Our systems are essential for multi-mission electronic warfare, tactical communications, signals intelligence, cyber-EW, and high-performance computing, often enabling the simultaneous operation of these capabilities.Who We Are Looking For:Are you a skilled and passionate Senior Systems Engineer with exceptional technical, organizational, and communication abilities? Our high-performance computing systems support various applications, including networking, signals intelligence, secure and covert digital communications, threat detection, RF jammers, and radio direction finding. We utilize cutting-edge hardware components such as FPGAs, SoCs, GPUs, DSPs, and advanced software and firmware techniques to facilitate intuitive command and control of our systems, along with efficient data collection and processing on 3U OpenVPX CMOSS/SOSA aligned platforms.Pacific Defense is building a robust portfolio of embedded communications waveforms hosted on 3U OpenVPX modules, allowing our customers the flexibility to select and customize capabilities tailored to their mission requirements.

Mar 27, 2026
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Arista Networks logoArista Networks logo
Full-time|On-site|Nashua

Join Arista Networks as a Network Engineer in Test, where you will play a pivotal role in ensuring the reliability and performance of our cutting-edge networking solutions. You will be responsible for designing and implementing rigorous testing strategies that validate the functionality and scalability of our products.

Jun 25, 2024
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Protolabs logoProtolabs logo
Full-time|On-site|Nashua, NH

Join our innovative and dynamic team at Protolabs as a Senior Metrology Engineer. In this role, you will be responsible for ensuring the accuracy and precision of measurement systems and processes critical to our manufacturing operations. You will lead projects to optimize measurement standards and develop new methodologies to enhance our product quality.

Mar 19, 2026
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DSI Systems logo
Full-time|$26/hr - $26/hr|On-site|Nashua, New Hampshire, United States

Join Our Dynamic Team!With over four decades of expertise in sales enablement and tailored business solutions, DSI Systems is dedicated to delivering exceptional value and results for our clients and partners. We are currently seeking enthusiastic individuals who are passionate about making a difference in sales and customer service. Our stimulating and rewarding work environment provides ample opportunities for personal and professional growth while making a substantial impact.Position OverviewThe Retail Support Specialist (RSS) offers direct, hands-on support to AT&T customers in busy national retail locations. In this pivotal role, you will interact with customers and retail partners to address account, billing, device, and service issues, often in a fast-paced environment. Success in this position hinges on strong communication skills, emotional resilience, comfort with technology, and the ability to maintain composure and professionalism in a dynamic retail landscape. Key Responsibilities: Customer SupportDeliver friendly, professional, and solutions-oriented support to AT&T customers at national retail sites.Address inquiries regarding billing, account updates, plan modifications, device assistance, and service-related concerns.Troubleshoot wireless devices, network problems, and feature functionalities.Maintain focus, professionalism, and high service quality during peak periods and challenging situations in high-traffic retail environments. Retail Partner SupportServe as the AT&T subject matter expert for retail staff and third-party labor partners.Act as the primary AT&T representative for these partners, providing in-store support for escalated customer concerns.Engage proactively with store management to resolve customer issues, strengthening partnerships and ensuring top-notch customer experiences.Work Environment & Schedule Expectations This role requires working in a retail setting, necessitating standing, walking, and engaging on the sales floor for up to 8 hours daily.Flexibility to work various shifts, including evenings, weekends, and holidays, based on business requirements.Comfort with busy, customer-facing environments that demand frequent interaction and problem-solving.Operational ExcellenceEffectively navigate multiple systems while engaging with customers in real-time.Document all interactions accurately and thoroughly.Adhere to company policies, compliance guidelines, and privacy standards.Achieve or exceed performance metrics, including quality, efficiency, and customer satisfaction scores.Execute and uphold approved planograms for mobile devices and signage.

Feb 21, 2026
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Locus Robotics logoLocus Robotics logo
Full-time|$140K/yr - $185K/yr|Hybrid|Nashua, NH

About Locus Robotics Locus Robotics develops automation solutions for warehouses, helping businesses streamline operations and scale efficiently. The company’s AI-driven LocusONE platform powers autonomous mobile robots that integrate with existing warehouse systems. Over 150 brands in retail, healthcare, 3PL, and industrial sectors use Locus Robotics across more than 350 sites worldwide. The Robots-as-a-Service (RaaS) model lets customers access advanced robotics without large upfront investments, supporting workflows such as picking, replenishment, sorting, and pack-out. Role Overview: Senior Embedded Firmware Engineer The Senior Embedded Firmware Engineer will join the Advanced Products Group (APG), a cross-functional team focused on exploring new product opportunities over 2 to 4 year timelines. This group works with emerging technologies to drive the next generation of robotics solutions. The engineer in this role will design, develop, and maintain firmware for robotics research applications. Key Responsibilities Design and implement embedded firmware for robotics research projects Maintain and improve existing firmware as requirements evolve Collaborate with APG team members from multiple disciplines Contribute to the technical direction for long-term product roadmaps Location and Work Arrangement This is a hybrid role based in Nashua, NH. Onsite presence is required 2-3 days per week, with occasional travel to the corporate headquarters in Wilmington, MA.

Apr 14, 2026
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Arista Networks logoArista Networks logo
Full-time|On-site|Nashua

Join Arista Networks as a Diagnostics Software Engineer, where you will play a crucial role in developing and enhancing diagnostic tools that ensure our cutting-edge networking solutions maintain the highest performance standards. Your expertise will contribute to our mission of delivering innovative and reliable network solutions to clients worldwide.

Sep 16, 2025
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Arista Networks logoArista Networks logo
Full-time|On-site|Nashua

Join our innovative team at Arista Networks as a Hardware Design Engineer specializing in High-Speed Networking. In this role, you will have the opportunity to design, develop, and optimize cutting-edge hardware solutions that power high-speed networks. Your contributions will play a crucial role in enabling high-performance data communication and connectivity for our clients.

Mar 27, 2026
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Arista Networks logoArista Networks logo
Full-time|On-site|Nashua

Join Arista Networks as a NetOps Engineer in Test, where you will play a pivotal role in ensuring the quality and reliability of our network operations. This position demands a keen eye for detail and a passion for technology, as you will be responsible for testing and evaluating network systems and solutions.

Jun 25, 2024
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Parallel Wireless logoParallel Wireless logo
Full-time|On-site|Nashua

At Parallel Wireless, we are revolutionizing mobile networks by offering cutting-edge, energy-efficient Open RAN solutions. Join us in shaping the future of telecommunications as we innovate towards greener, sustainable network systems. Discover more about our mission, vision, and values.We are looking for a talented and experienced Senior Software Engineer with a robust background in telecommunications, specifically in 4G/LTE protocol stack development and real-time systems programming.The ideal candidate will possess extensive hands-on experience with LTE control-plane and data-plane layers (RRC, MAC, RLC, PDCP) and demonstrate proficiency in C/C++ programming within Unix/Linux environments. This role is dedicated to core product development, feature implementation, and troubleshooting field issues—excluding QA, testing, or integration tasks. You will collaborate closely with cross-functional teams to design, code, and deliver high-performance LTE solutions.

Apr 9, 2025
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Arista Networks logoArista Networks logo
Full-time|On-site|Nashua

Collaborative EnvironmentJoin a dynamic team where you will collaborate with cross-functional teams, including software engineers, product managers, marketing professionals, and manufacturing specialists. Our engineers are at the forefront of innovation, crafting new system architectures and developing high-speed PCBs that employ cutting-edge signal integrity and power integrity design methodologies.Your RoleAs part of our Hardware Design Engineering team, you will spearhead the development of high-speed networking and Ethernet products utilized in enterprise campuses, hyperscale data centers, and advanced AI clusters. You will oversee the complete design and development process of sophisticated hardware solutions tailored to meet the evolving demands of contemporary networking environments.Key Responsibilities:Drafting functional specifications for high-power and high-density Ethernet switches utilized in AI networks.Evaluating and selecting components for optimal performance.Conducting schematic capture and tool-based design verification.Collaborating with eCAD teams for PCB layout and component footprints.Executing signal integrity simulations on power and data path signals.Partnering with mechanical and thermal engineers for system layout and physical realization.Defining PCB stackup and fabrication details with various PCB vendors.Developing programmable logic devices for control and timing planes.Coordinating with local and international Contract Manufacturers from prototype stages to production.Conducting lab bring-up and debugging of prototypes.Collaborating with diagnostics software engineers for design validation and manufacturing test development.Facilitating complex system debugging among software, hardware, and test teams.Training Contract Manufacturers to achieve high yield testing and manufacturing.Mentoring and guiding junior engineers.

Mar 11, 2026
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Arista Networks logoArista Networks logo
Full-time|On-site|Nashua

Join Arista Networks as a Network Engineer specializing in Solution Testing. In this role, you will be responsible for designing, implementing, and troubleshooting network solutions that ensure optimal performance and reliability. Collaborate with cross-functional teams to validate new features and streamline network operations.

Jun 12, 2024
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Parallel Wireless logoParallel Wireless logo
On-site|On-site|Nashua

At Parallel Wireless, we are redefining the landscape of mobile networks by delivering innovative and energy-efficient Open RAN solutions. Join our team to be at the forefront of telecommunications, spearheading advancements in green and sustainable network technology. Discover more about our mission, vision, and values.As a Junior Engineer, you will collaborate with a dynamic group of software developers to implement key product features. This role involves engaging in various product development activities, such as designing, coding, and testing 5G MAC algorithms and embedded software on a Linux platform tailored for 5G cellular solutions.

Nov 16, 2025
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Parallel Wireless logoParallel Wireless logo
Sr. Engineer, RT 5G Stack

Parallel Wireless

On-site|On-site|Nashua

Join Parallel Wireless as a Senior Engineer focusing on the 5G Radio Technology Stack, where you will be at the forefront of revolutionizing mobile networks. Collaborate with a dynamic team of talented software developers to design and implement cutting-edge features within our innovative Open RAN solutions. Your role will involve hands-on product development, including the design, coding, and testing of advanced 5G MAC algorithms and embedded software on a Linux-based platform tailored for next-generation cellular products.

Oct 15, 2025
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Arista Networks logoArista Networks logo
POC Engineer

Arista Networks

Full-time|On-site|Nashua

Collaborate with ExpertsThe POC team comprises elite networking professionals dedicated to designing and showcasing innovative solutions from Arista Networks. In this customer-facing role, you will be instrumental in securing new business opportunities and introducing advanced technologies to clients across the globe.Your ResponsibilitiesPartner with Arista System Engineers and prospective customers to develop comprehensive POC test plans that ensure Arista products align with customer network design specifications.Identify, create, or enhance testing tools and methodologies to validate complex scale and performance criteria.Architect, assemble, and configure expansive test environments for executing POC assessments.Conduct trial runs of POC tests, confirming that products and solutions fulfill customer requirements.Facilitate customer participation in POC tests, executing assessments and showcasing capabilities effectively.Document test outcomes meticulously, including detailed logs, screenshots, and supplementary information.Record defects in the bug tracking system with comprehensive diagnostic data, reproduce issues, and collaborate with the engineering team to resolve them.Recommend enhancements to features and functionalities based on customer insights.Engage in engineering functional specifications and test plan review sessions, contributing valuable input on functionality, scalability, and testing prerequisites.

Jan 22, 2026

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