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Software Developer with Security Clearance

MarkonAnnapolis Junction, MD🇺🇸United StatesPosted Sep 28, 2026

Why This Role Stands Out

This hybrid role offers an exceptional opportunity to develop cutting-edge CNO tools with a competitive salary of $150,000-$210,000, making it ideal for mid-senior developers with C/C++, Python, and assembly experience, as well as an active TS/SCI W/ Polygraph. You'll thrive in this position if you're passionate about software development, vulnerability analysis, and contributing to impactful projects within a collaborative team environment. Apply today to leverage your expertise and advance your career with Markon!

Quick Overview

Salary
$150k - $210k/yr
Seniority
Mid Senior
Employment type
Employee
Work mode
Hybrid
Location
Annapolis Junction, MD, United States
Posted
Yesterday
AssemblyC++Python

Job Description

PLEX Solutions, A Part of Markon, is looking for Software Developers to support a cutting-edge contract in the Annapolis Junction, MD area. Responsibilities

  • Design and code software components, units, and modules to meet product specifications and development schedules for clients/customers.
  • Demonstrate knowledge of one or more platforms and operating systems and of programming languages such as Windows, Linux, C/C++ and Python.
  • Test and debug software components and units.
  • Adhere to product build and release schedules and strategies.
  • Document and present findings.
  • Develop software prototype demonstrations.
  • Do independent research into software and device vulnerabilities.
  • Collaborate with with a large team to develop and integrate cutting-edge CNO tools. Qualifications
  • Active TS/SCI W/ Polygraph
  • Bachelor's degree from an accredited college or university in a related discipline and 3+ years of experience. A Master’s degree may substitute for 3 years of experience.
  • C/C++ and Python experience
  • Assembly experience (any platform/processor)

Preferred Qualifications

  • Experience supporting related mission environments is desired.
  • Experience doing Software Development, Reverse Engineering, and Vulnerability Analysis
  • Experience on at least two of the following platforms: Linux, Windows, Mobile

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