Software Engineer L3 - Linux Annapolis Junction, MD 07-14-2025 - Trexllc : Job Details

is looking for an experienced Software Engineer to join their rapidly growing team!

The Software Engineer shall be responsible for the full lifecycle development, deployment, and operations and maintenance (O&M) of a mission-critical Extract, Transform, Load (ETL) system operating in a large-scale Linux environment. This role requires a strong foundation in backend development, Linux systems, and operational sustainment best practices.

• Experience with Linux system administration, CLI, and Bash scripting
• Recent software development experience using Python and Java
• Experience with end-to-end data handling, including parsing, integration, and distributed processing using Apache NiFi for real-time and batch data workflows
• Experience developing Messaging Frameworks such as ITX (ActiveMQ)
• Experience with CI/CD principles, methodologies, and tools including GitLab CI
• Experience with metrics and monitoring tools such as Prometheus and Grafana
• Experience with structured and semi-structured data formats, including JSON, XML, CSV, TCLD, ASDF, and Parquet, for data parsing and transformation tasks
• Experience with Git for source code management

• Experience with the Atlassian suite of tools including Confluence and Jira
• Experience with Big Data streaming platforms including Spark
• Experience with containerization technologies such as Docker, PodMan, and containerd
• Experience deploying containerized services under Kubernetes or Docker Compose orchestration

An active TS/SCI with polygraph is required.

• 100% company-paid health, dental, and vision premiums
• Automatic company contributed Health Savings Account (HSA) up to $3,600 for families
• Up to 7 weeks of Paid Time Off (PTO)
• 401(k) Plan, 4% match with 3% guaranteed
• Paid 11 Federal Holidays
• BlueCross BlueShield Health Insurance
• BlueCross CareFirst dental, ortho and vision
• Tuition/Training, up to $5250 annually for pre-approved education
• Company-paid events, including golf events, fishing trips, baseball games, hockey games, and more

If you didn't find the perfect fit among our openings, feel free to reach out to [email protected] or submit your application here!

We're always looking for exceptional talent and would be delighted to notify you about new opportunities!

Curious to learn more about our company? Explore our website, connect with us on Facebook, or follow us on LinkedIn today!

Technology Resource Experts provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, pregnancy, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

The projected compensation range for this position is $200K - $275K. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categories. In addition, Technology Resource Experts, LLC invests in its employees beyond just compensation. Trexperts' benefits offerings include, dependent upon position, Health Insurance, Dental and Vision Coverage, Health Savings Account (HSA), Paid Time Off, Holiday Pay, Short Term and Long Term Disability, Life Insurance, 401(k) Plan, Safe Harbor 401k Investment, Learning and Development opportunities, Referral Bonuses, and Flex Time.