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Software Engineer II (Cybersecurity | Networking)

RTX Corporation

annapolis junction, MDJob$76–144K/yrPosted 3 days agoSeen in employer's feed 1 day ago

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At a glance

Compensation
$76–144K/yr
Location
annapolis junction, MD
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

TS/SCI clearanceBachelor's degree

Job overview

RTX’s Applied Signal Technology seeks a Software Engineer II to develop cybersecurity and networking solutions for national security. The engineer will contribute to research and development, software design and testing, system integration, and deployments. The role is onsite in Annapolis Junction, Maryland, requires an active TS/SCI clearance and U.S. citizenship, and includes domestic travel up to 25%.

Skills & qualifications

RequiredNice to have

Skills

CC++PythonRustSystem Integration and TestingAlgorithm DevelopmentCustomer CollaborationAPI DevelopmentNetworkingBackend DevelopmentWritten CommunicationVerbal CommunicationIndependent WorkTeam CollaborationCybersecurity Tools and ControlsSystem-Level DesignControl and Data InterfacesLinuxRed/Blue TeamingDefense-in-DepthNetwork PenetrationNetworking ProtocolsReverse EngineeringCommunication SystemsProof-of-Concept DevelopmentRequirements Development

Qualifications

STEM Degree2 Years Relevant Experience2 Years C/C++/Python/Rust ExperienceTop Secret SCI ClearanceU.S. CitizenshipFull Scope Polygraph

Benefits

Medical Insurance
Paid Time Off
401(k) Match
Tuition Assistance
Parental Leave
Relocation Assistance

Full job description

Date Posted:

2026-10-30

Country:

United States of America

Location:

US-MD-ANNAPOLIS JUNCTION-339 ~ 306 Sentinel Dr ~ 339 BLDG

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date.

U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

TS/SCI - Current

Security Clearance Status:

Active and existing security clearance required on day 1

Raytheon Company managed by Collins Aerospace

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. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Applied Signal Technology (AST) is seeking a Software Engineer II with a strong background in cybersecurity and networking who strives for excellence and have a passion to be part of a team that strengthens our nation and improves the security of our world. AST provides trusted strategic and tactical SIGINT solutions that secure the interests of the U.S. and its partners. AST’s work in areas such as high-capacity broadband communications, signal processing and analysis, tactical SIGINT, and wireless communications continually challenges our extraordinary engineers to resolve problems and make the world a safer place. AST’s work environment is dynamic, highly collaborative and provides engineers the freedom to strengthen and expand their skills, explore new and creative ideas, and work closely with our nation’s finest service members all while embracing integrity, innovation and work-life balance.

This is an ONSITE position located at our Annapolis Junction, MD location. To find out more about AST please, click the link below:

Applied Signal Technology: WHO WE ARE (https://www.rtx.com/collinsaerospace/what-we-do/industries/military-and-defense/communications/applied-signal-technology)

What You Will Do:

  • You will work with other experienced members in R&D on system development and deployments for the protection of our country

  • Participate in the requirements, design, development and testing of software to include development of new work products or enhancement of existing applications and systems

  • Design, code, test, integrate, and document software solutions

  • Participate in internal review of software components and systems

  • Generate briefings and present material to team members, customers, and AST management as necessary

  • Collaborate with project managers and other professionals within Engineering

  • Follow established development practices and processes to maintain the configuration management of software products

  • Travel up to 25% (domestic)

Qualifications You Must Have:

  • Typically requires a degree in Science, Technology, Engineering or Mathematics(STEM) and a minimum of 2 years of prior relevant experience

  • Typically requires a minimum of 2 years of experience developing in C, C++, Python, and/or Rust

  • Experience with system-level integration and testing, specifically, the integration of advanced, custom processing systems, testbeds, and software

  • Experience developing, coding, testing, and debugging complex algorithms

  • Experience working with customers, end users, hardware design teams, and software design teams

  • Experience with developing software for APIs, networking, and backend

  • Strong written and verbal communication skills and the ability to work independently yet collaboratively in a team environment

  • Experience in leveraging cybersecurity tools and/or controls

  • Experience implementing system level designs, high level control and data interfaces

  • Active and transferrable U.S. government issued Top Secret SCI (TS/SCI) security clearance is required prior to start.

  • U.S citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer:

  • Experience developing in C/C++ within a Linux environment

  • Experience with cybersecurity concepts such as red/blue teaming, defense-in-depth, and/or network penetration

  • Experience with building networks and networking protocols

  • Experience with reverse engineering software and/or hardware

  • Experience with Design, Development, Integration and Test of complex Communication systems

  • Experience in developing proof-of-concept (PoC) use case scenarios for novel cybersecurity systems

  • Experience with creating proof-of-concept (PoC) use case scenarios and prototypes from initial ideas

  • Experience formalizing, developing and documenting requirements, plans, and procedures based on customer discussions, briefings, interactions, and statements of work

  • Existing Top Secret with Full Scope Poly (Active within the last 24 months)

What We Offer

  • Medical, dental, and vision insurance

  • Three weeks of vacation for newly hired employees

  • Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option

  • Tuition reimbursement program

  • Student Loan Repayment Program

  • Life insurance and disability coverage

  • Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection

  • Birth, adoption, parental leave benefits

  • Ovia Health, fertility, and family planning

  • Adoption Assistance

  • Autism Benefit

  • Employee Assistance Plan, including up to 10 free counseling sessions

  • Healthy You Incentives, wellness rewards program

  • Doctor on Demand, virtual doctor visits

  • Bright Horizons, child and elder care services

  • Teladoc Medical Experts, second opinion program

  • Eligible for relocation

  • And More!

Learn More & Apply Now!

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

*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. This includes all production and maintenance employees, as they are essential to the development of our products.

#AST

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.

The salary range for this role is 75,800 USD - 144,200 USD. The salary range provided is a good faith estimate representative of all experience levels.

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.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms:

Click on this link (http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice) to read the Policy and Terms

Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

How this job compares

Set against the 40,760 open Software Engineer jobs on Olive Jobs, counted November 2, 2026.

Pay
  • This posting$76–144K/yr
  • Maryland median$120–210K/yr992 salary ranges
  • US median$135–217K/yr32,338 salary ranges

This range's midpoint, $110K, is 33% below the Maryland median midpoint ($165K) — in the lowest quarter of Software Engineer salary ranges in Maryland.

Openings
Olive Jobs lists 1,210 open Software Engineer jobs in Maryland and 40,760 across the US. 7% of them nationwide are listed as remote or flexible.
Hiring the most in Maryland
Experience
This posting asks for at least 2 years of experience — less than three in four Software Engineer postings that state a minimum ask for (median 5 years, across 33,054 postings).
Education
This posting asks for a bachelor's degree; 14,368 of the 40,760 open Software Engineer jobs (35%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 2, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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