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Application Developer II

Keylogic

Listing collected from Keylogic's career site. NextChapter is independent of Keylogic.

Dulles, VA · Posted October 13, 2026

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  • Python
  • AWS
  • CI/CD
  • Kubernetes
  • React

About the job

Job Title: Applications Developer II

Clearance: Active DOD Secret Clearance (US Citizenship Required)

Salary: $87k - $95k (dependent upon experience) + comprehensive benefits package

Onsite in Dulles, VA

KeyLogic is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize of the severity of breaches, develop mitigation plans, and assist with the restoration of services. KeyLogic is seeking a Software Developer to support this critical customer mission.

Responsibilities: • Designing, troubleshooting, and implementing software code for end-to-end software development and service integrations • Designs, develops, enhances, debugs, integrates, and implements software stacks for on premise and cloud based tools and services • Troubleshoots production problems related to software applications and pipeline workflows • Researches, tests, builds, and coordinates the integration of new products based on user and mission requirements • Initiates action for evaluation and recommendation of application software packages, application integration and testing tools • Automate deployments, testing, and builds using IaC toolings including Ansible, Terraform, Git-CI, and others • Implements recommendations for improving documentation and development process standards • Ensures quality control of all developed and modified prototype software through rigorous staged testing and pipelines • Establish optimal configurations and tunings for COTS, GOTS, and open source technologies pertaining to mission needs and project baselines • Navigate and work within Linux and container heavy environments including OpenShift, RHEL, Alma, and Docker

Required Skills/Clearances: • U.S. Citizenship • Must have an active Secret clearance; TS/SCI is preferred • Must be able to obtain DHS Suitability • 2+ years of directly relevant experience in applications development • Knowledge of secure software development lifecycle and code versioning and maintenance • Experience with assessing and integrating commercial off the shelf (COTS) products • Knowledge and familiarity to work with the installation, demonstration, test, validation and evaluation of new and existing software, tools, methods, and software measurement technologies • Must have operational experience with Python and Linux terminals • Knowledge of software automation, application development, and RESTful architecture • Knowledge of data ETL workflows for on-prem, cloud, and hybrid environments • Experience working and developing in/with containerization software including Kubernetes, Docker, and Redshift • Experience working with IaC including Ansible, Git-CI, Cloudformation, and Terraform • Must have strong communication skills and have experience interacting and with customers directly in a project environment or technical demonstration • Must be able to work collaboratively across remote and physical locations

Desired Skills: • Experience with two or more of the following: Python, JSON, Data Analytics, MongoDB, MinIO, Ansible, Vue.js, React, HTML, Kubernetes, Docker, Podman, OpenShift, AWS, View Jazz Framework, Process Automation, Terraform, CI/CD knowledge

Required Education: BS Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree; or HS Diploma & 4-6 years of directly relevant experience.

Desired Certifications: • CSSLP • Sec+