Demo

Applications Developer

ESM
Washington, DC Full Time
POSTED ON 6/13/2026
AVAILABLE BEFORE 7/11/2026

H2K is a rapidly growing government contractor that provides strategic IT services that meet mission needs for Defense and Federal customers. We are hiring an Applications Developer for an exciting opportunity.


Job Description and Responsibilities

Responsible for maintaining and optimizing systems software by installing, updating, and enhancing vendor-supplied components to ensure peak performance and reliability. Researches and resolves complex technical issues, evaluates and tests new operating system releases, and develops software solutions based on system requirements. Collaborates in the planning and implementation of hardware interfaces and peripheral devices, analyzes software specifications for compatibility and completeness, and safeguards the security, integrity, and availability of systems and data.

Required Knowledge, Skills and Abilities (KSA)

  • Knowledge of installing, configuring, patching, upgrading, and optimizing operating systems and vendor-supplied software components to maintain system stability, performance, and reliability.
  • Ability to diagnose, research, and resolve complex technical issues involving operating systems, system software, hardware interactions, and enterprise infrastructure.
  • Understanding of scripting, automation, and software development practices used to create, modify, and maintain system-level solutions based on technical and operational requirements.
  • Knowledge of hardware interfaces, peripheral devices, device drivers, and software compatibility testing, including evaluating and validating new operating system releases.
  • Familiarity with cybersecurity principles, system hardening, access controls, vulnerability management, and measures that ensure the confidentiality, integrity, and availability of systems and data.
  • Experience with the full software development lifecycle (SDLC) using Java, including requirements analysis, design, development, testing, deployment, maintenance, and performance optimization of enterprise applications.

Desired KSA

  • Be a positive, self-motivated, and proactive person with the ability to adapt to change and tolerate stressful situations
  • Candidate must communicate effectively with team members, team lead, management, and government customer
  • Must have the ability and desire to research and develop creative solutions to unique problems with minimal supervision

Minimum Training, Education, and Certifications

  • Bachelor's degree in Computer Science
  • Two (2) years experience

Minimum Clearance

  • Public Trust

Physical Requirements

  • Required to stand, walk and sit; communicate verbally both in person and by telephone; use hands to finger, handle or feel objects or controls; reach with hands and arms. Regularly required to stoop, kneel, bend, crouch and lift up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, depth perception, color vision and the ability to adjust focus.
  • Physical demands associated with this position include extensive walking (including stairs) throughout offices and between buildings. May require use of public transportation, personal or Government vehicle to drive to local and/or remote office locations.

Additional Requirements

  • Other duties as assigned

H2K provides equal employment opportunity to all individuals regardless of race, color, creed, religion, gender, age, sexual orientation, national origin or ancestry, disability, genetic information, veteran status, gender identification or any other characteristic protected by state, federal or local law.

Salary.com Estimation for Applications Developer in Washington, DC
$93,448 to $121,293
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