Senior Software Developer
Back to Jobs
Markon SolutionsGet Smart Job AI Coach in the appFree on iOS and Android 





Senior Software Developer
195,000–220,000 / Year
Location
Annapolis Junction, MD, US
Experience
Senior
Posted
Jul 10, 2026
Apply by
July 9, 2027
Applicants
0
Early applicantEasy applyFull-timeWork from Office
Job Description
## 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.
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.
Key Responsibilities
- Lead complex software engineering efforts and project teams.
- Develop, create, and modify general computer applications and specialized utility programs.
- Analyze user needs and design software solutions to optimize operational efficiency.
- Supervise computer programmers and coordinate database development.
- Conduct software validation, verification, and anomaly resolution.
- Develop software planning, requirements, and design documentation.
- Perform needs and risk analysis of software packages relative to mission requirements.
- Develop and evaluate software engineering standards and specifications.
- Disassemble and analyze software and embedded firmware.
- Collaborate with Cyber Innovation Unit on cyber capabilities.
Requirements
- Bachelor's degree in Computer Science
- Computer Engineering
- or related technical field
Skills Required
WindowsLinuxMicrosoft OfficeSoftware developmentDatabase designSoftware validationSoftware verificationCyber capabilitiesLeadershipCommunicationProblem solvingTime managementOrganizational abilitiesAbility to troubleshoot under pressure
Benefits
- Medical insurance
- Dental insurance
- Vision insurance
- Life insurance
- Short-Term Disability
- Long-Term Disability
- 401(k) match
- Flexible Spending Accounts
- Employee Assistance Program
- Training and Tuition Assistance
- Paid Time Off
- Holidays
App exclusive · Free
Smart Job AI Coach
Your personal interview coach on every job — readiness tips, profile improvements, and role-specific prep. Available only in the Pulse Job app.
Interview readiness
See how prepared you are and what to improve for each role.
Personalized tips
Actionable suggestions based on your profile and the job.
After you apply
Keep coaching momentum from job detail through application success.
Similar roles for you
Matched using this role's title and skills. Open the job search anytime to see every listing.

Senior Software Developer
RBC
Full-timeEasy applyWork from Office
Port of SpainSenior

Senior Software Developer
Absorb LMS
Full-timeEasy applyWork from Home
Remote CANSenior

Senior Software Developer
Embed
Full-timeEasy applyWork from Home
RemoteSenior
Senior CSIRT Engingeer
Premium employer
110,000–130,000 / Year
PremiumFull-timeEasy applyWork from Home
Remote - United StatesSenior

Senior Software Developer
RBC
Full-timeEasy applyWork from Office
745 THURLOW ST:VANCOUVERSenior

Senior Software Developer
P.S. Global Group
Full-timeEasy applyWork from Office
HyderabadSenior