Software Engineer Level 3

Markon is seeking a Senior Software Engineer to support the Fort Meade Customer. This role focuses on the design, implementation, and management of complex, high-throughput data pipelines that enable secure and reliable data movement across the enterprise. The Senior Software Engineer will serve as the technical lead for the "plumbing" of the data ecosystem, ensuring scalable, resilient data flows between disparate systems, including cloud-based and on-premise infrastructures.

Design, build, and maintain scalable Apache NiFi data flows to ingest, route, transform, and deliver large volumes of data.
• Architect and manage NiFi clustered environments, including configuration of site-to-site communication and integration with Apache ZooKeeper.
• Optimize NiFi performance by tuning processors, managing back-pressure, and monitoring data flow throughput.
• Develop and maintain data pipelines supporting multiple formats, including JSON, Avro, Parquet, and XML, using NiFi record-based readers and writers.
• Automate deployment and configuration of NiFi environments using Infrastructure as Code (IaC) tools such as Ansible or Terraform.
• Support containerized deployments using Docker and Kubernetes.
• Monitor, troubleshoot, and resolve issues across multiple concurrent data flows and threads.
• Collaborate with engineering, operations, and architecture teams to ensure secure, reliable, and interoperable data movement.
• Develop and maintain technical documentation, configurations, and operational procedures.
• Provide senior-level technical guidance and contribute to architectural decisions for enterprise dataflow solutions.

Required Qualifications

• Active TS/SCI w/ Polygraph with this Customer.
• Bachelor's degree in Computer Science, Engineering, or a related technical discipline plus 20 years of relevant experience.
• Hands-on expertise with Apache NiFi, including clustered deployments.
• Proficiency in Java and/or Groovy, and scripting with Bash and/or Python.
• Strong experience with Linux/RHEL administration.
• Experience with containerization technologies, including Docker and Kubernetes.
• Experience managing and optimizing high-throughput data pipelines.
• Familiarity with Infrastructure as Code tools such as Ansible or Terraform.
• Strong troubleshooting, documentation, and communication skills.
• Ability to operate effectively in a complex, mission-critical environment.

Preferred Qualifications

• Experience with DeltaFi.
• Experience applying DevOps practices, including automation of monitoring, observability, and deployment orchestration.
• Background in IT Operations, including networking concepts such as CIDR routing, proxies, and firewalls.
• Understanding of enterprise dataflow architectures and system interoperability.

Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.

At Markon, we don't just offer jobs - we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.

Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.

Markon values people and the tremendous impact each individual can make - which is why we're consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation's most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our clients' missions.

Join us and make a meaningful impact.

Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.

Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays.