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  1. Home
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  5. C#/.NET Software Engineer II with Security Clearance
RTX logo

C#/.NET Software Engineer II with Security Clearance

Not Disclosed•Full-TimeOn-site

location_on522, North Lasalle Street, Rivoli Park, Near Eastside, Indianapolis, Marion County, Indiana, 46201, United States

Apply Now

About RTX

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 three market-leading businesses, world-class operations, and significant investments in research and development, we offer capabilities and opportunities that no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world.

About the Role

Our Battle Management Software Department is seeking software engineers to support the development, testing, and lifecycle management of aircraft embedded software applications. In this role, you will work on systems where the aircraft operating system interfaces with various avionics components, including displays, navigation, and mission planning. This challenging work requires strong problem-solving skills and a desire to learn from and collaborate with world-class engineers. You will provide creative solutions to complex technical system and software integration problems while working closely with other software and systems engineers to design ideal solutions that prioritize end-user and operational needs. As a member of a multi-disciplined team, you will support new and legacy military and commercial programs from concept and requirements through design, development, integration, testing, and potential maintenance.

Hiring Process & Security Requirements

This position is classified as Onsite and requires U.S. citizenship, as only U.S. citizens are eligible for the required DoD Secret security clearance. Candidates must have an active and existing security clearance after day one. The DCSA Consolidated Adjudication Services (DCSA), an agency of the Department of Defense, handles and adjudicates the security clearance process. 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.

Culture & Values

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX, we value Safety, Trust, Respect, Accountability, Collaboration, and Innovation. We are 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.

Work location

Work model: On-site

location_on

522, North Lasalle Street, Rivoli Park, Near Eastside, Indianapolis, Marion County, Indiana, 46201, United States

Indianapolis, Indiana

Key Responsibilities

  • check_circleDesign and implement creative solutions for complex technical system and software integration problems
  • check_circleDevelop and test software for aircraft embedded applications using C++, C#, Python, and related languages
  • check_circleManage software configuration and support legacy and new military and commercial programs
  • check_circleImplement DevOps and DevSecOps practices including CI/CD pipelines and software development methodologies
  • check_circleCollaborate with software and systems engineers to design solutions aligned with user and operational needs
  • check_circleSupport all aspects of the software development life cycle including concept, requirements, design, development, integration, and test
  • check_circleUtilize software debugging tools to troubleshoot implementations and ensure product integrity

Requirements

  • verifiedBachelor's degree in STEM
  • verifiedMinimum 2 years of relevant experience
  • verifiedU.S. citizenship
  • verifiedActive DoD Secret security clearance
  • verifiedExperience with C++, C#, or Python
  • verifiedExperience with .NET libraries and frameworks
  • verifiedExperience with Windows environment
  • verifiedExperience with Object-Oriented Programming
  • verifiedExperience with Dependency Injection and Inversion of Control
  • verifiedExperience with concurrency and thread management
  • verifiedExperience with Git
  • verifiedExperience with bitwise operations and system-level programming

Nice to Have

Experience using software optimization techniques and timing analysis to ensure real-time operation and synchronization of software products. Familiarity with Ethernet, MIL-STD-1553, etc. protocols and the tools used to view their traffic (e.g., Wireshark and AltaView). Working knowledge in common computer hardware interface and data protocols such as TCP/IP, UDP, RS-422, USB, PCI. Experience developing requirements for software products. Understanding of computer architecture and computer hardware optimization techniques. Working knowledge of Software Configuration Management principles, environments and tools. Working knowledge and experience in an Agile development environment using Azure DevOps, Jira, or equivalent. Parallel programming principles and processes for technical computing environments. Strong desire and ability to collaborate in a team environment. A proactive approach to identifying challenges and finding solutions collaboratively. Ownership of tasks and responsibilities, with a commitment to delivering quality work on time. Ability to self-organize and meet short-term and long-term deadlines. Comfort with change and flexibility to pivot when priorities or requirements evolve. Able to work closely in a multi-discipline team daily. Strong Analytical skills.

Benefits & Perks

check_circleMedical, dental, vision, and life insurancecheck_circleShort-term and long-term disability coveragecheck_circle401(k) with company matchcheck_circleFlexible spending accountsFlexible work schedules
RTX logo
Company

RTX

Industry

it

View company profilearrow_forwardlanguageWebsite
Quick Overview

Experience

2+ yrs (Mid Level)

Job Type

Full-Time

Skills Required

C++

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Frequently asked questions about C#/.NET Software Engineer II with Security Clearance at RTX

What does a C#/.NET Software Engineer II with Security Clearance at RTX do?expand_more
A C#/.NET Software Engineer II with Security Clearance at RTX is responsible for the following: Design and implement creative solutions for complex technical system and software integration problems; Develop and test software for aircraft embedded applications using C++, C#, Python, and related languages; Manage software configuration and support legacy and new military and commercial programs; and Implement DevOps and DevSecOps practices including CI/CD pipelines and software development methodologies.
What are the requirements for this C#/.NET Software Engineer II with Security Clearance role?expand_more
To qualify for the C#/.NET Software Engineer II with Security Clearance at RTX position, applicants should have: Bachelor's degree in STEM; Minimum 2 years of relevant experience; U.S. citizenship; Active DoD Secret security clearance; Experience with C++, C#, or Python; and Experience with .NET libraries and frameworks.
Where is the C#/.NET Software Engineer II with Security Clearance role at RTX located?expand_more
C#/.NET Software Engineer II with Security Clearance at RTX is based in 522, North Lasalle Street, Rivoli Park, Near Eastside, Indianapolis, Marion County, Indiana, 46201, United States. This is a on-site role.
Is this C#/.NET Software Engineer II with Security Clearance job remote, hybrid, or on-site?expand_more
RTX has listed this C#/.NET Software Engineer II with Security Clearance role as on-site.
How much experience is required for this C#/.NET Software Engineer II with Security Clearance role?expand_more
C#/.NET Software Engineer II with Security Clearance at RTX typically requires 2+ years of relevant experience at the mid level level.
What skills do you need for the C#/.NET Software Engineer II with Security Clearance role at RTX?expand_more
Key skills for C#/.NET Software Engineer II with Security Clearance at RTX include C++; Python; .net; Windows; Object-Oriented Programming; Dependency Injection; Inversion Of Control; and Git.
What category does the C#/.NET Software Engineer II with Security Clearance role belong to?expand_more
C#/.NET Software Engineer II with Security Clearance at RTX is part of the it job category on Recrutus.
Recrutus

Curating the world's most innovative career opportunities. We bridge the gap between visionary talent and industry-leading companies.

Search roles by city, category, skill, or job type — explore verified US employers, salary benchmarks, and remote-friendly teams hiring nationwide.

publiclanguageshare
Job seekers
Browse jobsCompanies hiringRemote jobsJobs by locationJobs by cityJobs by categoryJobs by skillCareer guidesCareer blogSalary insights
Job types
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Jobs in TexasJobs in CaliforniaJobs in New YorkJobs in FloridaJobs in North CarolinaJobs in VirginiaAll states →
Top categories
Healthcare & Nursing jobsLogistics & Warehouse jobsEngineering jobsIT jobsSales jobsHospitality & Catering jobsAccounting & Finance jobs
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Company
About usFAQContactPrivacy policyUS privacy notice

Recrutus helps candidates discover roles that match their skills and helps teams reach qualified applicants faster. Browse by metro, discipline, or work style — from internships to senior leadership.

© 2026 Recrutus. All rights reserved.
Terms of serviceCookie policyAcceptable useDMCA policyEmployer termsCandidate terms
verified
Experience with DevOps and CI/CD pipelines
  • verifiedExperience with software debugging tools
  • check_circle
    check_circleEmployee assistance program
    check_circleEmployee Scholar Program
    check_circleParental leave
    check_circlePaid time off and holidays
    check_circleRelocation eligibility
    Python
    .net
    Windows
    Object-Oriented Programming
    Dependency Injection
    Inversion Of Control
    Git
    Devops
    Accessibility