Software Engineer 3 - Linux/Python/Docker/Kubernetes/LLM/CI/CD/Grafana

Captivation Software LLC; Maryland; On-site; USD 130,000 - 270,000; Full time

Benefits offered by this job

Up to 20% 401k contribution

$3,600 HSA contribution

Company-paid health/dental/vision & AD

Job summary

Captivation Software LLC in Annapolis Junction, MD seeks a senior software engineer to design, develop, and support scalable Linux-based systems. You will work with Python, Docker, Kubernetes, LLMs, and CI/CD in a mission-critical HPC environment.

You should be proficient in secure SI practice, deploy production-ready containerized apps, and contribute to observability with Grafana/Prometheus. U.S. citizenship and TS/SCI clearance are required.

Qualifications

• Hands-on Linux development and administration experience.
• Proficient in Python and modern software engineering practices.
• Experience with containerization and Kubernetes-based deployments.
• Experience with Helm charts and production containerized apps.
• Experience with CI/CD pipelines and secure software development.

Responsibilities

• Design, develop, deploy, and support solutions in HPC Linux environments.
• Work with LLMs, RAG architectures, embedding models and vector databases.
• Develop containerized applications and ensure production readiness.
• Maintain and improve CI/CD pipelines and observability solutions.

Skills

Linux CLI

Python

Docker

Kubernetes

Helm

CI/CD

Grafana

LLMs

Retrieval-Augmented Generation

Vector databases

Git workflows

SDLC/DevSecOps

Education

Master's degree in Computer Science or related field

Bachelor's degree in Computer Science or related field

9 years SWE experience

Tools

GitLab CI/CD

Flux CD

Kubernetes tools (Deployments, Services, ConfigMaps, Secrets)

CI/CD tooling experience

Job description

Software Engineer 3 - Linux/Python/Docker/Kubernetes/LLM/CI/CD/Grafana

Annapolis Junction, MD

Build to something to be proud of.

Captivation has built a reputation on providing customers exactly what is needed in a timely manner. Our team of engineers take pride in what they develop and constantly innovate to provide the best solution. Captivation is looking for software developers who can get stuff done while making a difference in support of the mission to protect our country.

Description

Captivation Software is looking for a senior level software engineer who shall design, develop, deploy, and support solutions within a high-performance computing (HPC) Linux environment. The successful candidate will have hands-on experience with Large Language Models (LLMs), LLM orchestration frameworks, knowledge retrieval systems, embedding models, and containerized applications. Candidates must be proficient in Python, Kubernetes, Helm, CI/CD automation, and secure SI system development, with the ability to deliver scalable, production-ready SI solutions in mission-critical environments.

Requirements

Security Clearance:

• Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen

Minimum Qualifications:

• Master's degree in Computer Science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
• Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity
• Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Required Skills:

• Proven experience working in Linux environments, including advanced use of the Linux command-line interface (CLI) for development, troubleshooting, and system administration
• Recent hands-on software development experience using Python, with a strong understanding of modern software engineering practices and frameworks
• Experience with containerization technologies, such as Docker, Podman, and containers, for application packaging, deployment, and lifecycle management
• Experience designing, authoring, and deploying Helm charts to manage Kubernetes-based applications and services
• Experience developing, testing, deploying, and supporting containerized applications in production environments
• Experience creating, configuring, and managing Kubernetes resources, including Deployments, Services, ConfigMaps, Secrets, Ingresses, and Operators
• Working knowledge of Generative SI technologies, including Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) architectures, embedding models, and vector databases
• Experience implementing and maintaining CI/CD pipelines using tools such as GitLab CI/CD, Flux CD, GitLab Runners or similar tools
• Experience leveraging observability, metrics, logging, and monitoring solutions including Prometheus and Grafana
• Proficiency with Git-based source control workflows, including branching strategies, code reviews, pull/merge requests, and collaborative development practices
• Understanding of software development lifecycle (SDLC) best practices, including automated testing, security scanning, code quality analysis, and DevSecOps principles

Desired Skills:

• Familiar with developing, deploying, troubleshooting, and sustaining mission applications in an AWS Cloud environment
• Experience with the Atlassian suite of tools including Confluence and Jira
• Experience working with, and debugging, GPU-enabled applications
• Experience using a machine-learning framework (PyTorch, TensorFlow, etc)
• Experience with other ML pipelines/frameworks like KubeFlow, NeMo, PyTorch Lightning, etc.
• Experience working with and debugging GPU-enabled applications
• Experience with SQL, Elasticsearch, and Vector databases
• Knowledge of SI inferencing solutions such as Nvidia NIM/TRITON, vLLM, and direct deployment (e.g. Ray)

This position is open for direct hires only. We will not consider candidates from third party staffing/recruiting firms.

• Annual Salary: $130,000 - $270,000 (Depends on the Years of Experience)
• Up to 20% 401k contribution (No Matching Required and Vested from Day 1)
• Above Market Hourly Rates
• $3,600 HSA Contribution
• Company Paid Employee Medical/Dental/Vision Insurance/Life Insurance/Short-Term & Long-Term Disability/AD&D

U.S. Standard Demographic Questions

We invite applicants to share their demographic background. If you choose to complete this survey, your responses may be used to identify areas of improvement in our hiring process.

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in Captivation Software’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.