Principal Engineer, Core Infrastructure Klaviyo IncPrincipal Engineer, Core InfrastructureBoston, MA$244,000–$366,000 / yearIn addition to base salary, our total compensation package may include participation in the company's annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. AI‑enabled platform: Approved AI tooling is integrated into IDE/CI/CD with repo policies and auditability; 70% MAU among eligible engineers; MTTR down 20-30% via AI‑assisted triage; flaky‑test rate decreases through targeted, AI‑suggested fixes.
Senior Antenna and Microwave Engineer RTXSenior Antenna and Microwave EngineerTewksbury, MassachusettsWe have an opportunity for an Senior Antenna and Microwave Engineer who is seeking to utilize their strong academic background and experience in RF/Microwave system theory and design, including architectures, subsystems, components and Active Electronically Steered Antennas (AESAs). Strong hands on experience with microwave testing techniques, including using spectrum analyzers, Real-time Spectrum Analyzers (RSAs), Vector Network Analyzers (VNAs) and Performance Network Analyzer (PNAs).
Systems Engineer (ONSITE) RTXSystems Engineer (ONSITE)MassachusettsAs part of the Strategic Communications Department, the Systems Engineering department supports a variety of communications systems including SATCOM (including AEHF, EHF, X-Band, Ka-Band, Ku-Band, C-Band, and PTW), Line-of-Site (LOS) Radio Terminals and Secure Switching Networks. As part of Collins Aerospace, Mission Systems organization, we specialize in developing advanced communication systems, ground and flight computers, sensors, cyber and software solutions, as well as providing integration of Mission Systems.
NewSenior Principal Systems Engineer (ONSITE) RTXSenior Principal Systems Engineer (ONSITE)MassachusettsAs part of the PCS Department, the Systems Engineering department supports a variety of communications systems including SATCOM (including AEHF, EHF, X-Band, Ka-Band, Ku-Band, C-Band, and PTW), Line-of-Site (LOS) Radio Terminals and Secure Switching Networks. • Excellent communication skills (written, verbal, and presentation) and ability to effectively communicate with IPT leaders, hardware and software development engineers, specialty engineers, program managers, and our customers.
Senior Identity & Access Management (IAM) Engineer Repligen CorpSenior Identity & Access Management (IAM) EngineerMA$130,000–$180,000 / yearThe Senior IAM Engineer will serve as the technical owner for Microsoft Entra ID, identity lifecycle management, Single Sign-On integrations, authentication services, privileged access management, certificate services, and network access control platforms. This individual will partner closely with Infrastructure, Cybersecurity, Digital Workplace, HR, Application Owners, and business stakeholders to deliver secure, scalable, and automated identity services that enhance user experience while supporting compliance and security requirements.
Senior Actuation Systems Electrical Engineer RTXSenior Actuation Systems Electrical EngineerTewksbury, MassachusettsYou will be expected to apply sound systems engineering principles to define and solve sometimes complex actuation system problems while influencing engineering teams to include electrical engineering, mechanical engineering, control systems engineering, software and firmware engineering, manufacturing engineering, supply chain and others. The RAP department is responsible for design, product and production support engineering in the following areas: Control Systems – Servo Control Systems, Motor/Power/Process Control, Digital Feedback Systems, Command Generation, Inertial Stabilization, Navigation Algorithms.
NewNetwork/System Administrator - Active TS/SCI Macpower Digital Assets Edge Private LimitedNetwork/System Administrator - Active TS/SCIHanscom AFB, MA$110,000–$119,000 / yearAdvanced Technical Platforms (Supported): Microsoft Windows Server, Active Directory, Red Hat Enterprise Linux, MS Hyper-V/VMware/ESXi/Xen Hypervisors. Information Assurance Technician (IAT) Level III requirements within 6 months of hire (e.g., CASP+ CE, CCNP Security, CISA, CISSP Associate, GCED, GCIH, CCSP).
Senior Network Administrator (Hybrid) AxcelisSenior Network Administrator (Hybrid)Beverly, MA$92,225.60–$138,338.40 / yearWe're looking for a hands-on technical leader who thrives at the intersection of traditional networking and modern cybersecurity practices. Configuration and troubleshooting of network devices including routers, switches, firewalls, wireless access points, and OT network devices.
Senior Network Administrator (hybrid) Axcelis TechnologiesSenior Network Administrator (hybrid)Beverly, Massachusetts$92,225.60–$138,338.40 / yearWe’re looking for a hands-on technical leader who thrives at the intersection of traditional networking and modern cybersecurity practices. Configuration and troubleshooting of network devices including routers, switches, firewalls, wireless access points, and OT network devices.
Network Architect AMroute LLCNetwork ArchitectBoston, MAThis role is expected to function at a strategic design and architecture level while also supporting critical operational needs as required. The CCIE certified Network Architect to deliver advanced network architecture, engineering, and operational support services.
Staff Security Engineer, Product Security And Architecture Compass IncStaff Security Engineer, Product Security And ArchitectureBoston, MA$210,000–$234,100 / yearServe as a Trusted Security Advisor: Act as a key resource and subject matter expert for product and engineering teams, offering security guidance and risk evaluations for new product features, development processes, tooling, and services. Automate & Scale Application Security: Build, enhance, and support automated application security testing frameworks and tooling to seamlessly integrate security into continuous integration and delivery (CI/CD) pipelines.
Security Architect Harvard Partners Trusted IT AdvisorsSecurity ArchitectBoston, MassachusettsRemote$80This role partners closely with Retail Technology, Product Architecture, Engineering, and Global Cybersecurity Services to ensure that security requirements are embedded into design decisions, delivery plans, and operational patterns without slowing product execution or over-engineering controls. Key Responsibilities Security Architecture & Design: Review and assess solution and platform architectures for retail systems, including application and API design, identity and access patterns, network segmentation and connectivity, and data protection and privacy controls.
Senior Network Administrator WerfenSenior Network AdministratorBedford, Massachusetts$100,000–$140,000 / yearFull timeInstalls and tests hardware and software for workstations, printers, and other peripheral devices in employee work areas; Diagnoses causes of failures and performs corrective or preventive maintenance. Controls security in the local area network including creation of passwords and allocation of access rights for users to data files and applications.
Network System Administrator II Middlesex Savings BankNetwork System Administrator IIWestborough, Massachusetts$76,463–$135,731 / yearFull timeActual compensation paid may fluctuate higher or lower than the posted range and the range may be modified in the future due to several factors including, but not limited to, relevant experience, certifications, and qualifications, internal equity, adjustments to the requirements and responsibilities of the job, business needs, and economic and market data. Provide 2nd-level support for the Bank’s enterprise Internet Perimeter infrastructure to include Firewall administration, web-filtering, multi-factor authentication and secure file transfer.
Senior Director, Cloud Security & AI Security Berkshire Hathaway Specialty Insurance CoSenior Director, Cloud Security & AI SecurityBoston, MAAs a core member of our cybersecurity leadership team reporting directly to the CISO, you will drive the evolution of our cloud and AI security ecosystems-establishing governance, controls, and compliance across our cloud infrastructure while helping secure our growing Artificial Intelligence footprint. A strategic and trusted insurance partner, Berkshire Hathaway Specialty Insurance (BHSI), provides a broad range of commercial property, casualty and specialty insurance coverages and outstanding service to customers and brokers around the world.
Sr. Staff Cloud Platform Engineer - Security UKG IncSr. Staff Cloud Platform Engineer - SecurityLowell, MA$129,500–$186,100 / yearCross-Functional Collaboration: Partner closely with DevOps, SRE, and Product Engineering teams to champion resilience engineering principles, chaos testing, and failover validations across tier-0 mission-critical systems. Resilient Network Services: Practical design experience managing high-availability network topologies, including load balancing, DNS & name resolution, firewalls/gateways, identity/authentication systems, and centralized logging/SIEM.
NewSystem Cybersecurity Engineer - Active Secret Security Clearance Macpower Digital Assets Edge Private LimitedSystem Cybersecurity Engineer - Active Secret Security ClearanceBedford, MA$130,000–$140,000 / yearThe successful candidate will ensure the confidentiality, integrity, and availability of systems, networks, and data by planning, analyzing, developing, implementing, and maintaining robust information security programs, policies, and tools. Position Overview: We are seeking a System Cybersecurity Engineer II with an active Secret Clearance to support operations at Hanscom Air Force Base (AFB) in Bedford, MA .
Electrical Engineer II - Digital Radar Design RTXElectrical Engineer II - Digital Radar DesignTewksbury, MassachusettsActive and existing security clearance required after day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
Software Engineer Intern (Summer 2027) RTXSoftware Engineer Intern (Summer 2027)MassachusettsOur precision software and firmware integrate operating systems, device drivers, networking, and control software to bring together sensors, guidance, and flight control processing features to complete the mission. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
Principal RF Module Design/Development Engineer RTXPrincipal RF Module Design/Development EngineerMassachusettsExperience with microwave testing techniques, including using spectrum analyzers, Real-time Spectrum Analyzers (RSAs), Vector Network Analyzers (VNAs) and Performance Network Analyzer (PNAs). Experience of different topology trade-offs, process and active/passive component selection, system/sub-system level, gain-loss analysis and flowing down requirements from the system to the component level.