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techroles

Sr. Software Engineer

SOSi sosi.com Open · verified Oct 24, 2026
On-site Indianapolis Full-time Senior Software Engineering

At a glance

Senior Software Engineering role at SOSi. Indianapolis · full-time · $102,983–$213,887 base.

SalaryStated by SOSi
$102,983 – $213,887
Base salary for this role, in USD per year, as published in the posting.
This role, from SOSiOur estimate for the market: $119,418–$158,435Median $151,475
The range includes the market median of $151,475 for senior software engineering roles in Indianapolis.
Worked out from 5 postings that stated pay, median $151,475. Last updated Oct 6, 2026.
RoleSoftware Engineering
SenioritySenior
LocationIndianapolis
WorkplaceOn-site
EmploymentFull-time
Base pay$102,983–$213,887
PostedJul 30, 2026 · 2mo ago
Role brief

techroles summary, based on the employer's posting.

What you'll do

  • Design, build, test and maintain enterprise applications, including COBOL software running on IBM z/OS
  • Investigate production problems such as failed batch jobs and help keep mission-critical systems running
  • Support software rollouts, deployment work and configuration control
  • Take part in requirements reviews, code reviews, testing and documentation
  • Coordinate with systems engineers, database administrators, testers and customer contacts

What you bring

  • At least ten years in software engineering, including work in production environments and enterprise business applications
  • A computer science, engineering, information systems or related degree, or equivalent experience
  • Hands-on knowledge of COBOL, IBM z/OS, JCL, SDLC, software testing and configuration management
  • Ability to qualify for a Public Trust clearance

Who this fits

This senior engineering role suits you if you have experience sustaining legacy enterprise applications and supporting critical production systems. The role is onsite in Indianapolis, with core operating hours from Monday through Friday, 0600 to 1700; evening or weekend work may be requested. You may also be asked to work in deployed locations.

From the employer

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.

SOSi is seeking an experienced Senior Software Engineer to support a mission-critical federal payroll and financial management program. This role will support software development, application sustainment, and production operations within a complex enterprise environment.

Job Description

The Senior Software Engineer will support the full software development lifecycle, including software design, development, testing, implementation, maintenance, and production support. The successful candidate will possess strong legacy application experience supporting enterprise business systems.

Responsibilities

  • Design, develop, test, and maintain enterprise software applications.
  • Develop and maintain COBOL applications within an IBM z/OS environment.
  • Analyze and resolve production issues, including batch processing failures.
  • Support software releases, production deployments, and configuration management.
  • Participate in requirements analysis, code reviews, testing, and documentation.
  • Collaborate with systems engineers, database administrators, testers, and customer stakeholders.
  • Bachelor's degree in Computer Science, Engineering, Information Systems, or related field. Equivalent experience may be substituted.
  • 10+ years of software engineering experience.
  • Experience supporting mission-critical production environments.
  • Experience supporting enterprise business applications.
  • COBOL, IBM z/OS, JCL, SDLC, Production Support, Software Testing, Configuration Management
  • Ability to obtain Public Trust Clearance.

Preferred:

  • Oracle
  • Cognos
  • Endevor
  • Payroll, financial management, or ERP systems

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.

Opportunity

Software Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Software Engineering$100k+

Find me work

By the team behind techroles.

Find me work
Opportunity

Software Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind techroles.