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General information

Requisition #
R65336
Locations
USA-VA-Chantilly
Posting Date
01/27/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now—be extraordinary at MANTECH!

MANTECH seeks a highly skilled Lead Engineer to guide a dedicated, 6-person technical team supporting a critical MuleSoft-as-a-Service solution for an Intelligence Community (IC) customer located in Northern VA. You will serve as the primary technical authority for the lifecycle of a MuleSoft Private Cloud Edition (PCE) solution, including integration, testing, deployment and production sustainment. This position is located in Chantilly, VA

As the Lead Engineer, you will be a "player-coach," mentoring a team of API developers, an O&M/Kubernetes engineer, and a cybersecurity engineer. You will be directly responsible for the team's technical performance, leveraging your expertise in API-led connectivity, Kubernetes, and DevSecOps to ensure the stability, security, and rapid evolution of mission-critical enterprise integrations.

Responsibilities include but are not limited to:

  • Lead the design, build, test, and deployment of robust, reusable APIs and integrations connecting Salesforce, on-prem, cloud data sources and other SaaS platforms.

  • Architect and implement a comprehensive framework for error handling, logging, and monitoring across all integrations.

  • Oversee the management of the MuleSoft environment, including the installation and configuration of runtimes, load balancers, and VPC components.

  • Ensure the creation and maintenance of all technical documentation for platform configurations and solutions.

  • Lead the team in providing on-call Tier 2/3 help desk support for all Mulesoft PCE-related incidents and service requests.

  • Direct proactive monitoring of Mulesoft PCE health, API traffic, and performance.

  • Maintain the team's Continuity of Operations Plan (COOP) and lead participation in disaster recovery exercises, as needed.

Minimum Qualifications:

  • 8+ years of experience in enterprise IT and integration, with at least 3 years in a technical leadership capacity, supporting an IC customer

  • 8+ years of experience in a customer facing role supporting an IC customer

  • 5+ years hands-on experience working with Kubernetes

  • 5+ years hands-on experience programming in Java

  • Experience designing and building secure, robust, and reusable APIs using API-led connectivity principles

  • 3+ years of experience leading teams that use Agile (Scrum) methodologies

  • 5+ years of experience integrating DevSecOps practices (e.g., CI/CD, automated testing, code analysis)

  • Experience supporting the RMF/ATO process within the IC

Preferred Qualifications:

  • MuleSoft Certified Platform Architect or Integration Architect

  • Hands-on knowledge of the MuleSoft Anypoint Platform

  • Certified Kubernetes Administrator (CKA)

  • Experience with Salesforce integration

  • Familiarity with ITIL foundations

  • Familiar with NIST SP 800-53, SSPs, and POA&Ms

Clearance Requirements:

  • Must have a current/active TS/SCI with Polygraph 

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time.

  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

  • Frequently communicates with co-workers, management, and customers, which may
    involve delivering presentations. Must be able to exchange accurate information in
    these situations.


MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.