Senior Systems Integration Engineer - TS/SCI with Polygraph

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

Senior Systems Integration Engineer

Advance how our customers operate while you advance your career. Join GDIT as a Systems Integration Engineer and build an impactful career in enterprise IT, collaborating with people like you who are driven and resourceful.

We are seeking a Systems Integration Engineer to support systems architecture, integration, sustainment, and lifecycle engineering for a mission-critical defense program in Reston, Virgina. You will manage data flows for a wide range of devices. Utilizing Apache NiFi and Python to maintain and engineer data flows to meet customer requirements. You will also build out Grafana dashboards to visualize data flow metrics and infrastructure status. You will be responsible for interfacing with various API endpoints as well as maintaining holistic diagrams of each data flow.

The ideal candidate has experience applying structured systems engineering principles in DoD/DoW environments, understands cybersecurity integration, and can support system modernization and continuous improvement efforts.

HOW A SENIOR SYSTEMS INTEGRATION ENGINEER WILL MAKE AN IMPACT

• Employ Apache NiFi and custom Python scripts to retrieve data from remote APIs, modify the data, and then distribute it according to customer requirements.

• Transform legacy Java implementations into holistic Python solutions, leveraging modern libraries to achieve equivalent functionality.

• Build Grafana dashboards to display data flow metrics and infrastructure status.

• Engage in weekly engineering review board sessions, offering technical insights on change requests from both the internal team and clients.

• Analyze current data flows for inefficiencies and propose optimized remedies.

• Design secure cross-domain channels to facilitate data movement between networks of varying security levels.

• Document new and existing data flows using Microsoft Visio.

• Evaluate change request documentation for technical precision, sourced both internally and externally

WHAT YOU’LL NEED TO SUCCEED:

• TS/SCI with Polygraph

• At least 8 years of relevant experience

• Bachelor Degree in an area applicable to this position

• Proficient in utilizing the Linux command-line interface.

• Proficiency in a programming language, preferably Python.

• Security + Certified; Must presently be 8570 compliant (IAT Level 2 preferred)

• Familiarity with designing and sustaining data flows using Apache NiFi.

• General networking knowledge to include operation of routers, firewalls, DNS, DHCP, subnetting, VPN and web proxies.

• Working knowledge in the design and utilization of RESTful APIs.

• Proficiency in managing and maintaining both Windows and Linux operating environments.

• Familiarity with relational SQL databases, including Oracle, MySQL, and PostgreSQL.

• Possess foundational knowledge of Active Directory concepts, including Organizational Units (OUs) and Security Groups

• Location: On Customer Site

• US Citizenship Required

GDIT IS YOUR PLACE:

• 401K with company match

• Comprehensive health and wellness packages

• Internal mobility team dedicated to helping you own your career

• Professional growth opportunities including paid education and certifications

• Cutting-edge technology you can learn from

• Rest and recharge with paid vacation and holidays

#GDITCareers

#WeAreGDIT

#VA_2026Alumni

#JET

Work Requirements

Years of Experience

8 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

Travel Required

None

Citizenship

U.S. Citizenship Required