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Junior Software Engineer

Apply Job ID 2022-6509 Date posted 10/31/2022

MTSI_Benefits_Image_2021 A

Modern Technology Solutions, Inc. (MTSI) is seeking a Junior Software Engineer to join our team in Colorado Springs, CO.

At MTSI, our more than 1,600+ co-owners recognize the high demand for specialized professionals within our industry and that you have many options to choose from. We support some of the most important and critical programs to our national security and defense within aviation, space, ballistic missile and unmanned systems. We specialize in Systems engineering & integration, modeling & simulation, acquisitions & program support, test & evaluation, mission assurance & cybersecurity to name a few.

As an 100% employee owned company where culture matters we all have a stake in each other's success, and the success of our customers and we believe that by investing in our people we are investing in our company’s future! As our first core value states, MTSI is an "employees come first" company with over 29 years of consecutive growth since 1993 and a 91% retention rate across our entire organization, we challenge our co-owners to provide the highest level of support and service, and reward them with some of the best benefits in the industry. 

Day one, all new co-owners start accruing PTO at a rate of 20 days + 10 federal holidays/year with (flexible schedules), semi-annual bonuses, 6% 401k match with immediate vesting, and eligibility to participate in our Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account. We also offer our employee focused benefits, including up to $10,000 in annual tuition reimbursement and an optional zero deductible Blue Cross/Blue Shield health insurance plan.

For additional company information, please visit:


As a Junior Software Engineer with MTSI you will be responsible for parser processing different layers of the TCP/IP stack in the Linux environment. This position will be located in Colorado Springs, CO.

Your essential job functions will include but may not be limited to:

  • Software Protocol Analysis.
  • Create parsers to process TCP/IP suite of protocols.
  • Interact with technical team members from multiple organizations in a team environment.
  • Provide engineering level documentation to enable testing and reporting.


  • 2+ years’ experience in C/C++ programming.
  • 2+ years’ experience developing with the TCP/IP suite of protocols.
  • Strong programming skills.
  • Willingness to embrace new tools, languages, processes
  • Competence in C/C++ and Bash.
  • Experience developing with Python.
  • Experience developing with Docker containers.
  • Possess network troubleshooting skills.
  • Deep understanding of the TCP/IP suite of protocols.
  • Experience with Linux/Unix networking, including sockets API.
  • Demonstrated ability to shift from one project to another in an agile work environment.
  • Ability to communicate technical approaches and details within small project teams, including team interaction and presentations.
  • Ability to capture technical approaches, designs, block diagrams, algorithms, and implementations in written and graphical form.
Desired Experience:
  • 5+ years’ experience in C/C++ programming.
  • 5+ years’ experience developing with the TCP/IP suite of protocols.
  • High degree of competence with Wireshark.
  • Experience developing at the Linux Kernel level.
  • Experience with cloud computing and remote systems (REST-ful Architectures).
  • Enthusiasm and interest in keeping up with trends/research in networking transports /protocols.
  • Ability to approach classical problems with new ideas and innovation.
Education Requirements:
  • Bachelor’s degree in Computer Science, Computer Engineering or Electrical Engineering.
Travel Requirements:
  • This position will require overnight travel up to 10 percent of the time.
  • Trip durations may range from overnight to several weeks.
Clearance Requirements:
  • Active DoD Secret clearance to start.
  • Top Secret with SCI Eligibility, (Desired).
  • U.S. Citizenship is required for this position.

Pay Range:

The pay range for this position in Colorado is $80,000/year to $130,000/year; however, base pay offered may vary depending on established government contract rates, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. This information is provided per the Colorado Equal Pay Act. Base pay information is based on market location. Applicants should apply via MTSI’s internal or external careers site.

For additional company information, please visit: