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Sr. Systems Engineer with Security Clearance

SOSiIndianapolis, IN🇺🇸United StatesPosted 12 Sept 2026

Why This Role Stands Out

This hybrid Sr. Systems Engineer role offers a fantastic opportunity to leverage your extensive IBM mainframe expertise within a mission-critical environment, contributing to the operations and sustainment of vital federal business applications. You'll thrive here if you enjoy technical leadership, problem-solving, and collaborating across teams to ensure top-tier system performance, all within a flexible work arrangement.

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
Hybrid
Location
Indianapolis, IN, United States
Posted
3 days ago
Oracle

Job Description

Company Description Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. Its capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and logistics. Job Description SOSi is seeking a Senior Systems Engineer to support operations and sustainment of a mission-critical enterprise application supporting federal business operations.

Job Description The Senior Systems Engineer will provide technical leadership supporting production operations, infrastructure integration, database technologies, release management, and enterprise system performance within a large IBM mainframe environment. Responsibilities

  • Support IBM z/OS production environments.
  • Maintain and support IDMS database environments.
  • Support production deployments and release activities.
  • Troubleshoot system performance issues and production incidents.
  • Support configuration management and technical documentation.
  • Coordinate system changes across technical teams. Qualifications
  • Bachelor's degree in Engineering, Computer Science, Information Systems, or related field. Equivalent experience may be substituted.
  • 10+ years supporting enterprise systems.
  • Experience supporting mission-critical production operations.
  • Strong IBM mainframe experience.
  • IBM z/OS, IDMS, Oracle, Cognos, Broadcom Endevor, Production Operations, System Integration.
  • Ability to obtain Public Trust clearance.

Preferred

  • Large-scale financial or ERP systems.
  • Federal enterprise environments. Additional Information Work Environment
  • Normal office conditions with potential to perform duties in deployed locations
  • Remote or Hybrid work model
  • Core hours of operation are Monday through Friday, 0600 - 1700.
  • May be requested to work evenings and weekends to meet program and contract needs
Working at SOSi All interested individuals will receive consideration and will not be discriminated against for any reason.

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