Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Software Engineer

$210k - $230k

Markon

CNO Software Engineer Level 3

Markon is seeking a skilled CNO Software Engineer Level 3 to support the design, development, and maintenance of complex software systems for mission-critical programs for the Fort Meade Customer. This role leverages deep technical expertise to build scalable, high-performance solutions while ensuring all functional and performance requirements are met. The engineer will work closely with users, system engineers, and development teams to deliver robust software capabilities in a collaborative environment.

Responsibilities
  • Design and develop new software or modify existing applications to add features and functionality
  • Analyze user requirements to derive software design and performance specifications
  • Debug and resolve software defects and performance issues
  • Develop and implement algorithms to meet or exceed system performance standards
  • Integrate existing software into new or modified systems and environments
  • Develop software solutions by analyzing system performance and collaborating with stakeholders
  • Write and review software and system documentation to ensure compliance with development standards
  • Mentor development teams and provide technical guidance throughout the development lifecycle
  • Ensure work is completed in accordance with established software development processes and constraints
Qualifications

Required Qualifications

  • Active TS/SCI W/ Polygraph through this Customer
  • Bachelor's degree in Computer Science or related discipline and 20+ years of software engineering experience (or additional experience in lieu of degree)
  • Expert-level proficiency in backend software development using Python
  • Strong experience designing, developing, and maintaining complex software systems
  • Experience debugging and optimizing software for performance and scalability
  • Strong understanding of software development lifecycle methodologies

Preferred

  • Experience analyzing user requirements to derive software design and performance requirements
  • Experience with software analysis or reverse engineering
  • Understanding of assembly programming concepts
  • Familiarity with CNO development concepts
  • Experience with unit testing frameworks and development best practices
  • Experience developing and deploying backend applications in cloud environments
  • Experience working with distributed systems or large-scale applications
  • Experience mentoring or leading development teams
Salary Range

USD $210,000.00 - USD $230,000.00 /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.

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Software Engineer in Maryland vacancy
  • $104.9k - $184.92k

     ...may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer Full Stack Software Engineer - Clearance Required WHAT WE'RE DOING • Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we... 
    Suggested
    Full time
    Contract work
    Temporary work
    Work experience placement
    Work at office
    Local area
    Flexible hours

    Lockheed Martin Corporation

    Annapolis Junction, MD
    2 days ago
  •  ...offer career growth opportunities and a competitive compensation and benefits package. Visit our website at: Full Stack Software Engineer Candidate must have or be willing to obtain a Public Trust Clearance For over 40 years, DCCA has provided a... 
    Suggested
    Flexible hours

    Data Computer Corp of America

    Ellicott City, MD
    3 days ago
  • $90k - $185k

     ...Full Stack Software Engineer (TS/SCI w/ Poly) Onsite - Fort Meade, MD SIXGEN's mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine... 
    Suggested
    Full time
    Temporary work
    Work experience placement
    Remote work
    Flexible hours

    SIXGEN

    Maryland
    4 days ago
  • $203k - $260k

     ...Full Stack Software Engineer - Data Analytics Team Make an Impact Where It Matters Most At Intelliforce, we put powerful technology directly into the hands of mission operators. In this role, you will build tools that turn complex data into actionable insight for... 
    Suggested
    Immediate start
    Visa sponsorship

    Intelliforce-IT Solutions Group, LLC.

    Annapolis, MD
    4 days ago
  •  ...Overview BigBear.ai is seeking a Full Stack Software Engineer to help build the next generation of AI infrastructure that will drive innovation across the customer organization. In this role, you will support the AI infrastructure team by building and maintaining the... 
    Suggested

    BigBear Inc

    Columbia, MD
    5 days ago
  •  ...Senior Full-Stack Engineer The Applied Research Laboratory for Intelligence & Security (ARLIS) at the University of Maryland is a University-Affiliated Research Center dedicated to advancing research, innovation, and technology transition to improve decision making... 
    Work at office

    Umcp

    College Park, MD
    5 days ago
  •  ...employment Visa. What You’ll Be Doing (We don’t love the bullet points, but we love the work!) Position Description The Software Engineer shall be responsible for enhancing a UI prototype that was developed using Streamlit and build it into an interface with... 
    Local area
    Visa sponsorship
    Work visa

    GIGATEC Engineering

    Annapolis Junction, MD
    5 days ago
  •  ...responsibilities of the position and has completed the necessary telework training. Basic Requirements ~14 years of experience as a software engineer ~ Bachelor's degree in a technical discipline ~4 additional years of experience as a software engineer may be substituted... 
    16 hours
    Immediate start
    Remote work

    Shield Consulting Solutions

    Annapolis Junction, MD
    4 days ago
  • $10k

     ...one capability to perform functions instead of multiple processes for similar capabilities. Detail oriented and team driven Software Engineers will provide full lifecycle support, to include modernization, of applications and tools. We are seeking a highly motivated... 

    ClearEdge IT Solutions

    Annapolis, MD
    2 days ago
  •  ...Sr. Full Stack Software Engineer We are currently seeking a Sr. Full Stack Software Engineer to play a key role in supporting a government project in Annapolis Junction, MD. This position requires a commitment of 1880 hours of support annually, with work conducted onsite... 
    Immediate start
    Flexible hours

    Novul Solutions

    Annapolis Junction, MD
    4 days ago
  •  ...currently possess this level of clearance. Telework: None Basic Requirements: 12 years of experience as a software engineer Bachelor's degree in a technical discipline 4 additional years of experience as a software engineer may be... 
    Full time
    Immediate start
    Remote work

    Shield Consulting Solutions

    Laurel, MD
    2 days ago
  • $170k - $230k

     ...clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance.*** Are you a Senior Full Stack Software Engineer who is ready for a new challenge that will launch your career to the next level? Tired of being treated like a company drone... 
    Full time
    Contract work
    Remote work
    Work from home
    Relocation package

    GliaCell Technologies LLC

    Laurel, MD
    7 days ago
  •  ...Full Stack Senior Software Engineer Do you love having fun, building real camaraderie, and being part of a company that shows up for its community? At RBR, we combine mission-focused work with a people-first culture, competitive salaries, and a benefits package that... 
    Contract work
    Work experience placement
    Flexible hours

    Navstar

    Maryland
    4 days ago
  • $140k - $200k

     ...people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups... 
    Work at office

    Speechify

    Baltimore, MD
    4 days ago
  •  ...for a government security clearance. Description: Join a high-impact, mission-driven team as a Full-Stack Software Engineer, supporting a mature and well-established technical organization. You'll be a member of a 6-person Data Pipeline team, which plays... 
    Bi-weekly pay

    Sensible Solutions and Technologies Inc

    Odenton, MD
    4 days ago
  • $186.07k - $218.9k

     ...analytics, machine learning, and powering end-user experiences. As an engineer on the team you will contribute to the full spectrum of our...  ...requirements): You have at least 5+ years of experience in software engineering. You have Strong Python, Go, or Java backend... 
    Local area

    Coinbase

    Annapolis, MD
    2 days ago
  • $150k - $225k

     ...Cloud Software Engineer - Big Data & Distributed Systems Ft. Meade Area, MD • Government/Military Clearance Required: TS/SCI with Polygraph Full-Time | Fully Funded | $150K - $225K Keep the Mission Running. Helm Point Solutions is a woman-owned... 
    Full time

    Helm Point Solutions

    Maryland
    4 days ago
  •  ...Principal Full Stack Software Engineer Annapolis Junction, Maryland, United States NetSage's mission is to help our customers achieve their missions by providing superior cyber services. We seek talented professionals who are interested in doing meaningful, mission... 
    Contract work

    NetSage Corporation

    Annapolis Junction, MD
    5 days ago
  • $115k - $190k

     ...security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance. Are you a Full Stack Software Engineer who is ready for a new challenge that will launch your career to the next level? Tired of being treated like a company drone... 
    16 hours
    Full time
    Contract work
    Remote work
    Work from home
    Relocation package

    GliaCell Technologies LLC

    Annapolis Junction, MD
    4 days ago
  • $8k

     ...Active Top Secret (TS/SCI) clearance with polygraph is required. Visionist has an exciting new opportunity for a Full Stack Software Engineer. You will be joining a critical mission supporting our customers big data processing platforms. The analytics developed and... 
    Permanent employment
    Contract work
    Temporary work
    Flexible hours

    Visionist, Inc.

    Laurel, MD
    3 days ago
  •  ..., Dataverse , and internal business data. This is not a theory role and not a learning role. We need a senior, plug‑and‑play engineer who has already built real Copilot Studio agents in production , full stack systems around them, and knows how to make them actually... 
    Work at office
    Local area

    Ghanem Forwarding LLC

    Halethorpe, MD
    4 days ago
  • $170k - $230k

     ...security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance. Are you a Full Stack Software Engineer who is ready for a new challenge that will launch your career to the next level? Tired of being treated like a company drone... 
    16 hours
    Full time
    Contract work
    Remote work
    Work from home
    Relocation package

    GliaCell Technologies LLC

    Columbia, MD
    3 days ago
  • $190k - $240k

     ...hidden fees or compounding interest. Consumer Growth Experience Engineering (CGX) builds the platforms and end‑to‑end experiences that...  ...JavaScript/TypeScript. You have a total of 4+ years of experience as a software engineer. You are experienced in designing, developing, and... 
    Remote work
    Flexible hours

    Affirm

    Baltimore, MD
    3 days ago
  • $115k - $135k

     ...systems. This position will implement responsive design principles for cross-device compatibility. The A. James Clark School of Engineering at the University of Maryland catalyzes high- quality research, innovation, and learning, preparing our students to create... 
    Work at office

    University of Maryland

    College Park, MD
    3 days ago
  •  ...Job Description Description: Job Description: Join our team of talented engineers in the Fort Meade area supporting critical national security programs. As a full-stack software engineer, you’ll use a wide range of technologies spanning front-end user interfaces... 

    Phoenix Operations Group

    Annapolis Junction, MD
    10 days ago
  •  ...Job Description Job Description Pointer Technologies is looking for a Software Engineer to join our team in Annapolis Junction, Maryland. A full stack software engineer will be expected to design, develop, test, deploy, document, maintain, and enhance complex and diverse... 
    Temporary work
    Immediate start
    Flexible hours

    Pointer Technologies

    Annapolis Junction, MD
    a month ago
  • $96.8k - $251.6k

     ...and you are comfortable operating across layers, from database engine internals to developer-facing API surfaces. Critically, you are...  ...build ship to one of the largest installed bases in enterprise software. Experienced peers — You will collaborate with engineers who... 
    Temporary work
    Flexible hours

    Oracle

    Annapolis, MD
    3 days ago
  • $104k - $166k

     ...Software Engineer - Agentic AI Platform Job Locations US-MD-Annapolis Junction | US-VA-Herndon | US-VA-Reston Requisition ID 2026-165997 Position Category Information Technology Clearance No Clearance Required Responsibilities... 
    Contract work
    Shift work

    Peraton

    Annapolis Junction, MD
    1 day ago
  •  ...or through a hybrid approach. Teradata delivers real business value with AI. What you will do We are looking for a mid-level engineer who will be responsible for delivering robust, performant and resource-efficient Public Cloud (AWS, Azure, Google Cloud) and On-... 
    Permanent employment
    Flexible hours

    Teradata

    Annapolis, MD
    2 days ago
  • $230k - $240k

     ...Software Engineer **Active TS/SCI w/Polygraph REQUIRED**. Please do not apply if you do not currently possess this level of clearance. Basic Requirements: ~7 years of experience as a software engineer ~ Bachelor's degree in a technical discipline ~2 additional... 
    Immediate start

    Shield Consulting Solutions

    Annapolis Junction, MD
    5 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Software Engineer. Be the first to apply!