Senior Software Developer

Markon

USonsite$195k-$220k/yrPosted Jul 9, 2026
Posting intelligenceActively listed

Skills

exceltypescript

About the role

Description:

PLEX Solutions, LLC, Part of Markon, is looking for a Sr. Software Developer to support a customer in the Annapolis Junction, MD area. In this role, you will lead complex software engineering efforts, apply advanced technical principles, and contribute innovative solutions that support critical hardware and technical service products.

Responsibilities:

Develop, create, and modify general computer applications software or specialized utility programs.

Analyze user needs and develop software solutions.

Design software or customize software for client use with the aim of optimizing operational efficiency.

May analyze and design databases within an application area, working individually or coordinating database development as part of a team.

May supervise computer programmers.

Inspects, cleans, transforms, and models data to highlight useful information, suggest conclusions, and support decision making.

Develops software planning documentation, requirements and design documentation, support documentation, test description documentation.

Conducts software validation and verification, and software engineering anomaly resolution.

Performs tasks in accordance with applicable DoD guidance and industry standards.

Performs installation, demonstration, test, validation and evaluation of software tools, methods, and measurement technologies.

Performs computer network exploitation development.

Evaluates the quality of software systems and solutions.

Performs needs and risk analysis of software packages relative to mission requirements.

Develops, updates, and evaluates software engineering standards, specifications, handbooks, or manuals for the development and testing of cyber capabilities.

Documents verification and validation of solutions and protocols, and provides technical assistance to user organizations on software acquisition.

Develops life cycle models and customizes software analytical tools, models, decision aids, screening methods, and techniques used to evaluate and support the authenticity and continuity of information systems.

Develops specialized software/firmware modules.

Disassembles and analyzes software and embedded firmware.

Collaborates with Cyber Innovation Unit.

Develops, creates, and modifies general computer applications software or specialized utility programs.

Qualifications:

Active TS/SCI W/ Polygraph

15+ years of related professional experience in a technical engineering discipline

Bachelor's degree in Computer Science, Computer Engineering, or related technical field

Proven ability to lead a project team

Strong command of advanced engineering principles and software development theories

Excellent written and oral communication skills

Ability to troubleshoot production issues under pressure and tight deadlines

Proficiency developing software in one or more operating environments (Windows, Linux, etc.)

Proficiency with Microsoft Office applications

Excellent time management and organizational abilities

Preferred Qualifications:

Master’s degree preferred

Salary Range: USD $195,000.00 - USD $220,000.00 /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.

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.

Compensation

This Software Engineer role pays $195k-$220k/yr. Within typical range for software engineer roles in United States.

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