Antenna and Microwave Engineer II RTXAntenna and Microwave Engineer IITewksbury, MassachusettsWe have an opportunity for an 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).
Antenna and Microwave Engineer III RTXAntenna and Microwave Engineer IIITewksbury, 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.
Principal Antenna and Microwave Engineer RTXPrincipal Antenna and Microwave EngineerTewksbury, MassachusettsWe have an opportunity for an Principal 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).
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.
Full Stack Java Software Engineer iBoss CybersecurityFull Stack Java Software EngineerBoston, MAOur development scope extends from device specific driver, service, and communication protocols to cloud scalable connectivity and big data processing through third-party analytics tool integration and customer enterprise UI creation for security policy management. iboss is a leading AI-powered Zero Trust SASE (Secure Access Service Edge) platform trusted by more than 4,000 enterprises worldwide, including a significant number of Fortune 50 companies and U.S. government agencies.
Federal Software Engineer - Remote iBoss CybersecurityFederal Software Engineer - RemoteBoston, MARemoteLeveraging a purpose-built cloud architecture backed by 230+ issued and pending patents and more than 100 points of presence globally, iboss processes over 150 billion transactions daily, blocking 4 billion threats per day. Built on a containerized cloud architecture, iboss delivers security capabilities such as SWG, malware defense, RBI, CASB and data loss prevention to all connections via the cloud, instantaneously and at scale.
Java Software Engineer - Remote iBoss CybersecurityJava Software Engineer - RemoteBoston, MARemoteOur development scope extends from device specific driver, service, and communication protocols to cloud scalable connectivity and big data processing through third-party analytics tool integration and customer enterprise UI creation for security policy management. Leveraging a purpose-built cloud architecture backed by 230+ issued and pending patents and more than 100 points of presence globally, iboss processes over 150 billion transactions daily, blocking 4 billion threats per day.
2026- Fulltime-RF Electrical Engineer II- Onsite RTX2026- Fulltime-RF Electrical Engineer II- OnsiteTewksbury, MassachusettsRF/Microwave device, MMIC, and module characterization techniques, including using spectrum analyzers, Real-time Spectrum Analyzers (RSAs), Vector Network Analyzers (VNAs) and Performance Network Analyzer (PNAs). We research, develop, design, and integrate electrical (Analog, Power, RF/Microwave, and Digital) components, embedded and digital signal processing software, equipment, systems, sub-systems, and networks for the defense of domestic and foreign purposes.
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.
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.
NewTest Solutions Northeast Electrical Engineer I RTXTest Solutions Northeast Electrical Engineer ITewksbury, MassachusettsAbility to obtain INTERIM U.S. government issued security clearance is required prior to start date 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. Take a quick look at the area in this short video . . In this role, you ’ll work on mission critical technologies with experienced engineers, with strong long-term stability and advancement potential.
New2026 Fulltime- RF Electrical Engineer I- Onsite RTX2026 Fulltime- RF Electrical Engineer I- OnsiteTewksbury, MassachusettsRF/Microwave device, MMIC, and module characterization techniques, including using spectrum analyzers, Real-time Spectrum Analyzers (RSAs), Vector Network Analyzers (VNAs) and Performance Network Analyzer (PNAs). We research, develop, design, and integrate electrical (Analog, Power, RF/Microwave, and Digital) components, embedded and digital signal processing software, equipment, systems, sub-systems, and networks for the defense of domestic and foreign purposes.
Principal Systems Engineer, Radar Analyst Onsite RTX CorpPrincipal Systems Engineer, Radar Analyst OnsiteWoburn, MAExperience with agile and DevSecOps processes, implement (or maintain) agile methodologies, participating in daily team standup meetings, sprint reviews, program Increment (PI) Planning meetings, retrospectives, and agile tooling such as JIRA and Confluence, and support execution of the team's backlog including performance analysis and issue investigation. Experience with MATLAB, Linux Operating Systems (Linux Red Hat), Unix, and Shell scripting for performing integration, verification, test, and data analysis, integrating and configuring electronics, installing/debugging software.
Senior Cloud Engineer, Multinational Digital Infrastructure Anduril Industries IncSenior Cloud Engineer, Multinational Digital InfrastructureBoston, MA$191,000–$253,000 / yearYou define how platforms connect, where data gets processed and fused at the edge, how services run on forward-deployed compute without persistent connectivity, and how the entire stack deploys to an operational theater as a coherent, repeatable capability not a one-off science project. Design the complete deployable infrastructure stack: network gear, edge compute nodes, containerized mission services, crypto, SATCOM terminals, power, and operator interfaces packaged for rapid deployment to austere locations.
NewSr. Systems Engineer, Radar Systems Integrator RTX CorpSr. Systems Engineer, Radar Systems IntegratorWoburn, MAUnderstanding with agile and DevSecOps processes, implement (or maintain) agile methodologies, participating in daily team standup meetings, sprint reviews, program Increment (PI) Planning meetings, retrospectives, and agile tooling such as JIRA and Confluence, and support execution of the team's backlog including performance analysis and issue investigation. Understanding using MATLAB, Linux Operating Systems (Linux Red Hat), Unix, and Shell scripting for performing integration, verification, test, and data analysis, integrating and configuring electronics, installing/debugging software.
Principal Systems Engineer, Integration and Test Engineer Onsite RTX CorpPrincipal Systems Engineer, Integration and Test Engineer OnsiteTewksbury, MAExperience with agile and DevSecOps processes, implement (or maintain) agile methodologies, participating in daily team standup meetings, sprint reviews, program Increment (PI) Planning meetings, retrospectives, and agile tooling such as JIRA and Confluence, and support execution of the team's backlog including performance analysis and issue investigation. Experience with MATLAB, Linux Operating Systems (Linux Red Hat), Unix, and Shell scripting for performing integration, verification, test, and data analysis, integrating and configuring electronics, installing/debugging software.
Software Engineer II Alarmcom Holdings IncSoftware Engineer IIBoston, MA$88,300–$122,500 / yearThis spans the full arc of how devices are modeled, integrated, and managed on the platform - from the APIs and event pipelines that expose device state and commands, to the lifecycle management flows that govern how devices are provisioned and maintained, to the transport and protocol infrastructure that connects physical devices to the platform at scale. Write and maintain high-quality backend code across the SPX and Device Platform domains, including device state and command APIs, event pipelines, device lifecycle management flows, and partner-facing integration components.
NewStaff Software Engineer Alarmcom Holdings IncStaff Software EngineerBoston, MA$144,250–$169,126 / yearSuccess in this role requires deep technical judgment in backend and platform engineering, the ability to operate across ambiguity and cross-team dependencies, and the credibility to influence technical direction alongside architects, engineering managers, and senior engineers across the department. This spans the full arc of how devices are modeled, integrated, and managed on the platform - from the APIs and event pipelines that expose device state and commands, to the lifecycle management flows that govern how devices are provisioned and maintained, to the transport and protocol infrastructure that connects physical devices to the platform at scale.
IT/OT Engineer StellixIT/OT EngineerFoxborough, MA$85,000–$120,000 / yearResponsibilities of this role may range to include scheduled maintenance activities or managed services for customers’ DCS system administration; cyber security solutions; automation performance and reliability services; customer help desk and emergency services, digital plant troubleshooting and integration; system installation and commissioning; DCS system upgrades; operational solutions for alarm management, loop performance, process simulation; lifecycle consulting and business continuity services. We are currently looking for a IT/OT Engineer III position within our IT/OT managed services team to provide post-project services (such as DCS Platform, OT infrastructure, virtualization, networking, cybersecurity and other IT/OT services) and platform lifecycle projects for our installed customer base.