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Application Engineer
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Washington, DC
Design, develop, and test automation solutions using enhanced workflow automation platforms to streamline business processes and system operations.
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AWS Cloud Engineer
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Washington, DC
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Senior Engineer, Google Cloud
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As a Senior Engineer, Google Cloud you will focus on building, testing, and optimizing cloud-native applications on Google Cloud, supporting work that spans the full software development…
Added 1 min ago
Lead System Integration Engineer
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We are looking for a Lead System Integration Engineer to deliver innovative functionalities to our customers and optimize our next-generation of Open-RAN 5G NR base-station products. This…
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HP
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- $120,000 to $150,000 USD / year
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Added 3 mins ago
Mid-level Back-End Software Engineer (TS/SCI)
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Herndon, VA · Westminster, CO
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Mid-level Full Stack Software Engineer (TS/SCI)
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Added 9 mins ago
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Software Engineer AI & Digital Health
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Added 22 mins ago
Campus Undergraduate Summer Internship Program - 2027 Cybersecurity AI Engineer, Enterprise Technology Services- Phoenix, AZ
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Parsons Technical Services, Inc.

Software Engineer I - Top Secret

Remote, United States

Salary Range: $88,400.00 - $154,700.00

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Job details

Pay: Salary Range: $88,400.00 - $154,700.00
Experience: 2+ years of relevant cyber capability tool development and/or systems/embedded development experience (entry level);
Posting language: English
Posted: Nov 3, 2026

Original job description

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.

Job Description:

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Join an amazing collaborative team that analyzes, designs, and develops computer software to support marquee customers in Defense and Intelligence. We are seeking a CNO Software Developer to develop and maintain cyber network operations tools and capabilities that enable critical national security missions.

What You'll Be Doing:

Contribute code to CNO tool components in C under close guidance of senior and lead engineers, following established designs and standards
Write code predominantly in C, with contributions in Python for server-side components
Execute assigned development tasks following established procedures and coding standards
Troubleshoot software defects using debugging tools and techniques learned from senior team members
Support operationalizing proof-of-concept vulnerabilities and CVEs into deployable capabilities under supervision
Collaborate with team members on vulnerability research integration activities
Contribute to test procedures and technical documentation for CNO software deliverables
Performs other responsibilities associated with this position as may be appropriate.

What Required Skills You'll Bring:

Active Top Secret required; must be able to attain and maintain TS/SCI
Bachelor's degree in a related field (Computer Science, Cybersecurity, Computer Engineering, etc.)
2+ years of relevant cyber capability tool development and/or systems/embedded development experience (entry level); Master's Degree will be considered in lieu of experience requirement.
0-2+ years developing in C or C++
Knowledge of networking fundamentals (e.g., TCP/IP, DNS, HTTP/S)
Experience developing in Windows or Linux environments
Version control (Git)

What Desired Skills You'll Bring:

Experience with CI/CD pipelines and build automation workflows
Experience developing in both Windows and Linux environments
Building applications in Python
Knowledge of concurrent application development concepts (e.g., multi-threaded and/or distributed)
Multi-architecture assembly languages (e.g., ARM, MIPS)
Mobile development experience (e.g., Objective-C, Swift for iOS; Java, Kotlin for Android)
Additional operating systems (e.g., OSX, router/embedded firmware platforms)
Certifications include OSCP, OSED, OSWE, Corelan Academy. None required.

Travel Required: Up to 10% for remote roles

Security Clearance Requirement:

An active Top Secret security clearance is required for this position.

This position is part of our Federal Solutions team.

The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.

Salary Range: $88,400.00 - $154,700.00

We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!

This position will be posted for a minimum of 3 days and will continue to be posted for an average of 30 days until a qualified applicant is selected or the position has been cancelled.

Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.

We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest - APPLY TODAY! Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.

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More about this job

Skills

C
Python
Troubleshoot
Debugging
Research
Test procedures
Documentation
Computer science
Cybersecurity
Computer engineering
C++
DNS
Microsoft Windows
Linux
Git
CI/CD
Assembly
Mobile development
Objective C
Swift
Oracle Java
Kotlin
Firmware

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