Sr. Software Engineer

markon· Engineering
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📍 Annapolis Junction, MD, USFULL TIME💰 USD 120K–200K/yr

About this role

Description

PLEX Solutions, A Part of Markon is looking for a motivated Application Developer to join the Eurasia & Western Hemisphere mission. The Developer will collaborate directly with mission stakeholders, data scientists, and analysts to capture requirements then design, develop and deploy end-to-end technical solutions that deliver immediate operational impact to mission workflows.

Responsibilities

  • Mission Focus: By working within the cloud environment and customer specific data repositories, create user-facing applications, develop and maintain RESTful APIs, incorporate data visualizations, and establish CI/CD pipelines for secure deployment. Successful solutions will deliver immediate operational value to the analysts.
  • Technical Proficiency: Develop end-to-end applications that integrate front-end U/I with back-end services to support analyst workflows. Knowledge of customer corporate tools and data repositories required. 

Qualifications

  • Active TS/SCI W/ Polygraph 
  • Bachelor's degree in a related technical field of study
  • 5 years of relevant experience or equivalent.
  • Proficiency with Python, PySpark, Java, Javascript; solid experience with XKS, Mission Data Repositories, GM, LABBENCH, PRESSUREWAVE, Elasticsearch, Git repositories
 

Desired Skills: 

  • Experience with Docker, Kubernetes, collection cycle, database queries​ is highly desired.
  • Experience with software development processes (i.e., requirements analysis, software design, implementation, testing, integration, deployment/installation, and maintenance) and programming.

  • Experience with Data Science, Machine Learning (ML), Artificial Intelligence (AI) and using Large Language Models (LLMs)​

Salary Range

USD $120,000.00 - USD $200,000.00 /Yr.The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Overview

Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.

 

At Markon, we don't just offer jobs – we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.

 

Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.

 

Markon values people and the tremendous impact each individual can make – which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters – bringing out the best in each other to advance our clients’ missions.Join us and make a meaningful impact.

 

Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.

 

Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays.

Frequently Asked Questions

What is the salary for the Sr. Software Engineer role at markon?
The listed salary for this Sr. Software Engineer position at markon is USD 120K–200K/yr. This is an FULL TIME role.
Where is the Sr. Software Engineer position at markon located?
This Sr. Software Engineer role at markon is based in Annapolis Junction, MD, US. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Sr. Software Engineer role at markon full-time or part-time?
This is listed as a FULL TIME position. It is posted as a Sr. Software Engineer role in the Engineering department at markon.
Which team or department does the Sr. Software Engineer at markon belong to?
This Sr. Software Engineer position is part of the Engineering department at markon. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Sr. Software Engineer position at markon?
Click the "Apply Now" button on this page. You will be redirected to markon's official application portal hosted on icims where you can submit your application directly.
When was the Sr. Software Engineer job at markon posted?
This Sr. Software Engineer position at markon was posted on Aug 31, 2026. Apply as soon as possible — early applications are often reviewed first.
Sr. Software Engineer
markon · 💰 USD 120K–200K/yr
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You'll be redirected to markon's official application page on icims.