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We 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).

Senior Antenna and Microwave Engineer

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Candidates can expect to work on many if not all the phases of the infrastructure development life cycle including development using Configuration Management practices with problem tracking to implement OS level configurations to support applications and Cyber requirements. 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 Infrastructure Engineer II

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. Our engineers work hands‑on with the latest test instrumentation, software, and automation technologies to integrate state‑of‑the‑art test capabilities for some of the most advanced engineering systems in the world.

Test Solutions Northeast Senior Electrical Engineer

Active and existing security clearance required on 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. We are seeking a Platform Infrastructure Engineer to join the Land and Air Defense Systems (LADS) software department supporting the Lower Tier Air and Missile Defense Sensor (LTAMDS) SW Integrated Product Team (IPT).

Platform Infrastructure Engineer

Experience installing and configuring electronic hardware, software installations on hardware devices, network configurations, and operations of software in SIL/HWIL facility and having a general understanding of Data Distribution Service (DDS), Quality of Service (QoS) and other basic networking principles. Active and existing security clearance required on 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.

Senior Systems Engineer, Radar SIL Systems Onsite

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. 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.

Sr Software Integration Engineer (travel required)

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. We have an opportunity for an electrical engineer who is seeking to utilize their strong academic background and experience in RF Design theory and design and testing, including architectures, subsystems, components and Active Electronically Steered Antennas (AESAs).

Senior RF Design Engineer

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.

Senior RF Module Design/Development Engineer

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.

Electrical Test Engineer II

Experience with RF/Microwave test equipment such as Performance Network Analyzers (PNAs), Vector Network Analyzers (VNAs), Spectrum Analyzers, Real-time Spectrum Analyzers (RSAs), Noise Figure Analyzers, Load-Pull systems etc. An exciting opportunity exists for an experienced Senior RF/Microwave Test Engineer to join our engineering characterization team in the RF Microelectronics/Module Development & Foundry Services (RFMicro) department at Raytheon in Andover, MA.

Senior RF/Microwave Test Engineer

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.

Senior Electrical Engineer - Radar Processing System Design

Electrical Test Engineer I

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.

Systems Engineer (ONSITE)

Work with a small team on cutting-edge research and development projects, focusing on AI based planning and scheduling (e.g., in the context of joint all domain command and control), novel compiler (e.g., LLVM passes) and/or OS-related (e.g., kernel modules, userland services) capability development. 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.

Research Software Engineer I - Onsite

Antenna and Microwave Engineer III

We 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 Antenna and Microwave Engineer

Principal RF Module Design/Development Engineer

We have an opportunity for a Senior Principal Electrical 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).

Sr Principal Antenna Microwave Engineer

Test Solutions Northeast Principal Electrical Engineer

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 & Back-End Processing Architecture (REPA) department is composed of an energetic multi-disciplinary team of over 130 engineers working collaboratively with internal and external customers and programs to provide mission ready capabilities to our warfighters.

Security Engineer Jobs in Waltham, MA

Senior Antenna and Microwave Engineer RTX

Software Infrastructure Engineer II RTX

Test Solutions Northeast Senior Electrical Engineer RTX

Platform Infrastructure Engineer RTX

Senior Systems Engineer, Radar SIL Systems Onsite RTX

Sr Software Integration Engineer (travel required) RTX

Senior RF Design Engineer RTX

Senior RF Module Design/Development Engineer RTX

Electrical Test Engineer II RTX

Senior RF/Microwave Test Engineer RTX

Senior Electrical Engineer - Radar Processing System Design RTX

Electrical Test Engineer I RTX

Systems Engineer (ONSITE) RTX

Research Software Engineer I - Onsite RTX

Antenna and Microwave Engineer III RTX

Principal Antenna and Microwave Engineer RTX

Principal RF Module Design/Development Engineer RTX

Sr Principal Antenna Microwave Engineer RTX

Test Solutions Northeast Principal Electrical Engineer RTX

Receiver, Exciter & Processing Architecture Electrical Engineer Intern (Summer 2027) RTX

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