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Sealing Technologies, a Parsons Company•Columbia, MD

1d•Hybrid

About The Position

Sealing Technologies, a Parsons company, is seeking an experienced Software Engineer to join its engineering team. The role supports software development, hardware integration, cybersecurity engineering, and mission support, primarily in unclassified spaces, in support of warfighters. The engineer will design and develop a complex automation framework, written primarily in Ansible and Python, to deploy Defensive Cyber Operations (DCO) hunt kits to physical hardware. The work includes creating custom Ansible modules, roles, and collections that automate networking, server hardware, operating systems, containers, and software to provide an integrated environment for cyber defenders. The position is based in Columbia, Maryland, with a hybrid schedule requiring 2–3 days onsite and approximately 10% travel.

Requirements

U.S. citizenship.
Bachelor’s degree in Engineering, Computer Science, Information Technology, or a related field; equivalent experience will be considered.
At least 8 years of experience as a Software Engineer and/or Automation Engineer.
Expert proficiency in Ansible, including writing, testing, and maintaining playbooks, roles, collections, and custom modules; deep understanding of Jinja2 and configuration management.
Experience using Ansible Galaxy for reusable components and Ansible Vault for sensitive data.
Experience using Ansible to configure and automate physical hardware and network appliances such as servers, switches, routers, and firewalls.
Strong analytical and debugging abilities to resolve complex automation workflow issues.
Strong Python proficiency for developing, testing, and packaging custom Ansible modules and plugins, and Bash scripting proficiency.
Hands-on experience with RHEL-based Linux distributions, including RHEL, Rocky, or Oracle, and administration of drivers, firmware, file systems, networking, and security.
Experience with virtualization and container platforms such as VMware, Kubernetes, and Docker or Podman.
Strong understanding of cybersecurity concepts, technologies, methodologies, infrastructure security, hardening processes, techniques, and industry best practices.
Experience with network protocols, architecture design, and defense-in-depth practices.
Understanding of security patching, authentication, and log-retention best practices.
Experience operating within security frameworks to support compliance and auditing requirements.
Experience with Git/GitHub, code review workflows, CI/CD pipelines such as GitHub Actions, and Agile project management workflows such as Jira.
Strong written and verbal communication skills, including the ability to document and maintain engineering processes and procedures.

Nice To Haves

Experience supporting Defensive Cyber Operations within Service Cyber Command elements or other U.S. Government organizations.
Experience with defensive cyber tools such as Security Onion, Splunk, Elastic, Zeek, and pfSense.
Security certification such as CySA+ or CISSP.
Ansible certification, such as Red Hat Certified Specialist in Ansible Automation.
Red Hat Certified Engineer (RHCE).
CompTIA Linux+.
Secret security clearance or ability to obtain one.

Responsibilities

Lead the design, development, testing, and maintenance of complex Ansible playbooks, roles, and collections for deploying DCO hunt kits, including kit infrastructure, configuration, and application deployment across diverse environments.
Design and develop custom Ansible modules and plugins in Python using modular design, error handling, and documentation practices.
Collaborate with software development teams to create highly parameterized Ansible automation aligned with the software product stack and project requirements.
Configure and automate physical hardware and network appliances, including servers, switches, routers, and firewalls, using Ansible.
Implement security controls, including STIG hardening and SELinux, in the automation pipeline to support secure-by-default deployments.
Build and maintain GitHub Actions CI/CD pipelines for automated linting, unit testing, and integration testing of automation code.
Establish coding standards, code review practices, and testing strategies for the automation codebase, and mentor other engineers.
Collaborate with stakeholders to promote consistent understanding and application of technology standards, security controls, and engineering practices.
Partner with internal teams to deliver technical demonstrations and present SealingTech capabilities to customers.
Work with the user community and apply knowledge of existing DoD enterprise architectures to identify and define high-level functional and technical requirements.