Software Engineer III

Markon

39d•$160,000 - $210,000

About The Position

Markon’s partner company is seeking a highly experienced Software Engineer III to design, develop, and sustain complex software systems supporting High Performance Computing (HPC) environments in a Linux-based infrastructure. This role supports the development, enhancement, and automation of system management tools and services. The ideal candidate brings strong technical leadership, deep Linux expertise, and hands-on experience building scalable automation and cloud-ready solutions.

Requirements

Active TS/SCI w/ Polygraph
Master’s degree in Computer Science or related field + 5 years of relevant experience or
Bachelor’s degree in Computer Science or related field + 7 years of relevant experience
9 years of relevant Software Engineering experience
Strong Linux CLI experience and Unix-based development
Proficiency in Bash scripting
Recent experience developing software in Python
Experience with Ansible or similar automation frameworks
Experience troubleshooting and debugging in operational systems
Experience with CI/CD principles and tools (GitLab CI, Jenkins)
Experience with Git source control
Experience developing in languages such as C, C++, Python, Ruby, Perl, or JavaScript
Experience working in Agile development environments

Nice To Haves

Familiarity with Datacenter Infrastructure Management (DCIM) tools (e.g., NetBox)
Familiarity with observability and analytics platforms (e.g., Splunk)
Familiarity with Identity and Access Management (IAM) solutions (e.g., Keycloak)
Familiarity with secret management tools (e.g., HashiCorp Vault)
Familiarity with message brokers (e.g., Kafka)
Experience with container technologies (Docker, Podman, containerd)
Experience with Agile, Scrum, or SAFe methodologies
Experience with Atlassian tools (Jira, Confluence)

Responsibilities

Analyze user requirements and translate them into detailed software design and performance specifications
Design, develop, test, deploy, document, maintain, and enhance complex software systems
Develop and implement algorithms to meet strict performance, timing, and resource constraints
Modify existing software to improve performance or adapt to new environments
Integrate software into new or existing systems and ensure operational compliance
Develop relational and non-relational database applications
Support development of event-driven and data-driven analytics systems
Develop cloud-based solutions and modern distributed applications
Perform Unix/Linux development and shell scripting
Develop and enhance automation tools supporting HPC system infrastructure
Automate manual processes using Bash and Python
Utilize automation frameworks such as Ansible for deployment orchestration
Implement CI/CD pipelines using tools such as GitLab CI and Jenkins
Utilize Git for source code management
Support containerized environments (Docker and related technologies)
Troubleshoot and debug issues in operational production systems
Serve as technical lead for one or more software development teams
Oversee development efforts to ensure adherence to selected software development processes
Delegate development and testing tasks and monitor team performance
Provide quality control for developed and modified software
Recommend new technologies, tools, and process improvements
Collaborate with system and hardware engineers to derive requirements and assess constraints
Coordinate software installation and monitor system performance
Select appropriate development methodologies in coordination with customer and systems engineering teams