2,267 Results for

Security Engineer Jobs in Chelsea, MA

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AWS Cloud Systems Engineer Systems Engineering Solutions Corporation

Hanscom Air Force Base, MA

Quick Apply

Certification Examples - AWS Certified Solutions Architect (Professional), Azure Solutions Architect (Expert), MCSE (Server), Certified AWS SysAdmin, AWS Certified Cloud Practitioner, AWS Certified Developer, AWS Certified Solutions Architect (Dev/Associate), AWS Certified DevOps Engineer, AWS Certified Advanced Networking, AWS Certified Security, Azure Developer Associate, Azure Solutions Architect. A successful individual will be responsible for developing in a scalable cloud-native solutions, and ensuring best practices across architecture, development, deployment, and security from design, test, integration, production, sustainment and maintenance.

5 days ago

2026 Raytheon Full Time - Receiver, Exciter, & Processing Architecture Software Engineer I - Marlborough, MA (Onsite) RTX

Massachusetts

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. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

6 days ago

Principal Engineer, Core Infrastructure Klaviyo Inc

Boston, MA

$244,000–$366,000 / year

In 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.

30+ days ago

Antenna and Microwave Engineer II RTX

Tewksbury, Massachusetts

We 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).

30+ days ago

Senior Hardware Production Support Engineer RTX

Tewksbury, Massachusetts

Experience working in a laboratory environment using logic analyzers, oscilloscopes, phase noise analyzer (PNA), spectrum analyzers, real time spectrum analyzers, and performance network analyzers to test and verify the functions of digital and RF signal circuits and subsystems. Senior Hardware Production Support Engineers are the liaisons between the design engineers, the factory, and suppliers and are responsible for working with Operations, Supply, Chain, Quality, and other Engineering disciplines to resolve production and transition to production issues.

30+ days ago

Senior Identity & Access Management (IAM) Engineer Repligen Corporation

Massachusetts

The 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.

30+ days ago

Receiver, Exciter & Processing Architecture Electrical Engineer II - Onsite RTX

Tewksbury, Massachusetts

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. The Receiver, Exciter & Processing Architecture (REPA) department is composed of an energetic multi-disciplinary team working collaboratively with internal and external customers and programs to provide mission ready capabilities to our warfighters.

30+ days ago

Platform Engineer II RTX

Massachusetts

Ability 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. Software Engineering positions include working on a variety of different tasks including implementing Operating System (OS) level configurations to support applications and cyber requirements.

30+ days ago

Platform Software Engineer II RTX

Woburn, Massachusetts

Ability 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. Collaborate with cross-functional teams, including software developers, system engineers, and test teams, to ensure seamless integration of application software into system platforms.

10 days ago

Principal Systems Engineer (ONSITE) RTX

Massachusetts

As 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. • 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.

30+ days ago

Senior Systems Engineer - Air Traffic Solutions (Onsite) RTX

Massachusetts

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience. Please ensure the role type (defined below) is appropriate for your needs before applying to this role: Onsite: Employees who are working in Onsite roles will work primarily onsite.

30+ days ago

Senior Electrical Engineer - Radar Processing System Design RTX

Tewksbury, Massachusetts

The Senior Electrical Engineer will work with Product Leads and other team members on a variety of tasks related to the design and development of systems using Commercial-Off-The-Shelf (COTS) computing and networking products. Collaborate in development with hardware engineering disciplines, supply chain, suppliers, field engineering, on-site installation and trades, and Customers to develop and deliver safety critical systems.

4 days ago

Java Software Engineer - Remote iBoss Cybersecurity

Boston, MA

Remote

Our 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.

30+ days ago

Electrical Test Engineer II RTX

Massachusetts

In this role, you will have a hands-on opportunity to design, build, and integrate state-of-the-art electrical test systems supporting complex defense products across their entire lifecycle—from high-tech engineering development labs to factory production, field operations, and long-term sustainment. Experience operating laboratory test and measurement equipment (e.g., oscilloscopes, waveform/function generators, spectrum analyzers, or network analyzers) to test hardware, interface with sensors, or measure electrical signals.

5 days ago

Principal RF Module Design/Development Engineer RTX

Massachusetts

Experience 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.

26 days ago

Senior RF Module Design/Development Engineer RTX

Massachusetts

26 days ago

Systems Engineer (ONSITE) RTX

Massachusetts

As 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.

30+ days ago

Senior Principal Systems Engineer (ONSITE) RTX

Massachusetts

As 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.

23 days ago

Senior Information Systems Engineer - Onsite Andover, MA RTX

Massachusetts

Our engineers are responsible for all elements of the development lifecycle for testing including test requirements, test system design, flight simulations, hardware-in-the-loop, computer-in-the-loop, advanced engineering prototyping technology, flight operations for manned and unmanned vehicles, environmental testing, environmental characterization and engineering laboratory management. Ability 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.

6 days ago

Eng II, Digital Automation Sustainment Engineer RTX

Massachusetts

Collaborate across functions to support Operations Technology needs, including microelectronic assembly equipment (Palomar pick‑and‑place systems, ovens, etc.), robotics equipment connectivity (Fanuc), software tools (FabGuard), application enhancements, data migration, and software dependencies. The Raytheon Industry 4.0 – Connected Factory Intelligence & Automation organization has an immediate opportunity for an enthusiastic, highly motivated, and innovative Automation Systems Engineer (ASE) to support digital automation infrastructure in our Microelectronics factory in Andover, MA.

30+ days ago

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Security Engineer Jobs in Chelsea, MA

AWS Cloud Systems Engineer Systems Engineering Solutions Corporation

2026 Raytheon Full Time - Receiver, Exciter, & Processing Architecture Software Engineer I - Marlborough, MA (Onsite) RTX

Principal Engineer, Core Infrastructure Klaviyo Inc

Antenna and Microwave Engineer II RTX

Senior Hardware Production Support Engineer RTX

Senior Identity & Access Management (IAM) Engineer Repligen Corporation

Receiver, Exciter & Processing Architecture Electrical Engineer II - Onsite RTX

Platform Engineer II RTX

Platform Software Engineer II RTX

Principal Systems Engineer (ONSITE) RTX

Senior Systems Engineer - Air Traffic Solutions (Onsite) RTX

Senior Electrical Engineer - Radar Processing System Design RTX

Java Software Engineer - Remote iBoss Cybersecurity

Electrical Test Engineer II RTX

Principal RF Module Design/Development Engineer RTX

Senior RF Module Design/Development Engineer RTX

Systems Engineer (ONSITE) RTX

Senior Principal Systems Engineer (ONSITE) RTX

Senior Information Systems Engineer - Onsite Andover, MA RTX

Eng II, Digital Automation Sustainment Engineer RTX

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