1

Unity Developer Contract Jobs in Illinois (NOW HIRING)

Enterprise Voice Engineer II

Shiloh, IL · On-site

$59K - $106K/yr

... contract has an opening for an Enterprise Voice Engineer in Scott AFB, IL. The Enterprise Voice ... Unity, Cisco Unified Border Element (CUBE), Oracle Session Border Controller (SBC) and Avaya Aura ...

... contract has an opening for an Enterprise Voice Engineer. The Enterprise Voice Engineer will ... Unity, Cisco Unified Border Element (CUBE), Oracle Session Border Controller (SBC) and Avaya Aura ...

... contract has an opening for an Enterprise Voice Engineer. The Enterprise Voice Engineer will ... Unity, Cisco Unified Border Element (CUBE), Oracle Session Border Controller (SBC) and Avaya Aura ...

... contract has an opening for an Enterprise Voice Engineer in Scott AFB, IL. The Enterprise Voice ... Unity, Cisco Unified Border Element (CUBE), Oracle Session Border Controller (SBC) and Avaya Aura ...

Enterprise Voice Engineer IV

Shiloh, IL · On-site

$92K - $166K/yr

... contract has an opening for an Enterprise Voice Engineer. The Enterprise Voice Engineer will ... Unity, Cisco Unified Border Element (CUBE), Oracle Session Border Controller (SBC) and Avaya Aura ...

... contracts * Support Tollway Project Managers and Design Section Engineers (DSEs) Who You Are ... Experience using Trimble Unity Construct * Familiarity with AASHTO, Illinois Tollway, and IDOT ...

... contracts * Support Tollway Project Managers and Design Section Engineers (DSEs) Who You Are ... Experience using Trimble Unity Construct * Familiarity with AASHTO, Illinois Tollway, and IDOT ...

... engines including Unity and Unreal, basic programming for games, art asset creation, and ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

... engines including Unity and Unreal, basic programming for games, art asset creation, and ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

... engines including Unity and Unreal, basic programming for games, art asset creation, and ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

... engines including Unity and Unreal, basic programming for games, art asset creation, and ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

... engines including Unity and Unreal, basic programming for games, art asset creation, and ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

... engines including Unity and Unreal, basic programming for games, art asset creation, and ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

... engines including Unity and Unreal, basic programming for games, art asset creation, and ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

next page

Showing results 1-20

Unity Developer Contract information

What are some common challenges faced by contract Unity Developers, and how can they be addressed?

Contract Unity Developers often encounter challenges such as quickly adapting to existing codebases, aligning with diverse team workflows, and managing tight project timelines. To succeed, it's important to have strong communication skills for collaborating with designers, artists, and other developers, as well as solid documentation practices to ensure smooth handovers. Staying proactive in understanding project requirements and leveraging version control systems can also help mitigate integration issues and support efficient teamwork.

What is a Unity Developer Contract?

A Unity Developer Contract refers to a temporary or project-based agreement where a developer is hired to work with Unity, a popular game development engine. Unity Developers create interactive content, games, simulations, and applications using Unity’s tools and scripting languages such as C#. As contract workers, they are typically brought on for specific projects or timeframes rather than full-time roles. This arrangement offers flexibility for both the developer and the hiring company, allowing expertise to be leveraged as needed. Contract Unity Developers may work remotely or onsite, depending on project requirements.

What are the key skills and qualifications needed to thrive as a Unity Developer on a contract basis, and why are they important?

To thrive as a Unity Developer on contract, you need strong proficiency in C#, experience with the Unity engine, and a solid understanding of 2D/3D game development principles, often supported by a degree in computer science or a related field. Familiarity with version control systems (like Git), asset management tools, and sometimes certifications in Unity or similar platforms are highly valued. Excellent problem-solving, communication, and time management skills help you effectively collaborate with teams and deliver projects on schedule. These skills and qualities are essential to consistently produce high-quality, performant applications while meeting client requirements and tight deadlines.

What is the difference between Unity Developer Contract vs Unity Developer Full-Time?

AspectUnity Developer ContractUnity Developer Full-Time
CredentialsTypically requires a portfolio, relevant certifications, and experience with UnitySame as contract, often with additional benefits or ongoing employment credentials
Work EnvironmentProject-based, flexible hours, remote or on-siteSteady, full-time employment, usually on-site or hybrid
Employer & Industry UsageUsed by game studios, AR/VR companies, and tech firms for specific projectsCommon in larger companies and studios for ongoing development
Search & Comparison IntentSeeking short-term or freelance opportunitiesLooking for stable, long-term employment

In summary, a Unity Developer Contract is a temporary, project-based role ideal for freelancers or those seeking flexible work, while a Unity Developer Full-Time offers ongoing employment with benefits and stability. Both roles require similar skills and credentials but differ mainly in work structure and employment terms.

What are the most commonly searched types of Unity Developer jobs in Illinois? The most popular types of Unity Developer jobs in Illinois are:
What job categories do people searching Unity Developer Contract jobs in Illinois look for? The top searched job categories for Unity Developer Contract jobs in Illinois are:
What cities in Illinois are hiring for Unity Developer Contract jobs? Cities in Illinois with the most Unity Developer Contract job openings:
Enterprise Voice Engineer II

Enterprise Voice Engineer II

Leidos

Shiloh, IL • On-site

$59K - $106K/yr

Full-time

Posted 17 days ago


Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 146 frontline employees who took The Breakroom Quiz

56th of 428 rated business services


Job description

Our customer, the Defense Information Systems Agency (DISA), provides, operates, and assures command and control of the Defense Information System Network (DISN) services to its customers, the department of Defense (DoD) and national security organizations.This position directly supports the DISA-provided capabilities and services.

The Leidos Digital Modernization Sector/Global Solutions Management-Operations II (GSMO-II) contract has an opening for an Enterprise Voice Engineer in Scott AFB, IL. The Enterprise Voice Engineer will perform sustainment, maintenance, Problem and Change management services to help ensure secure, reliable, and uninterrupted availability of DISA Voice Services.

This position requires U.S. citizenship and an active TS/SCI to start.

**The anticipated salary range for this position is $80,000 to $90,000**

Primary Responsibilities:
Responsible for performing the following duties:

  • Perform engineering tasks to maintain a large, complex and highly resilient IP voice and video communications infrastructure.

  • Manage, configure, troubleshoot and assure service supporting all aspects of a voice, video and data network. Must be organized, document oriented, possess skills in diagramming, and understand WAN principals.

  • Perform system maintenance, support capacity planning activities and complete configuration change actions and documentation efforts.

  • Configure and implement calling search spaces, route plans, route partitions, route lists and device profiles.

  • Configure Cisco or Juniper routing and switching devices.

  • Support distributed firewall infrastructure.

  • Provide input in the development of technical policy, work instructions and reporting in support of an enterprise IP telephony network.

  • Analyze and resolve complex technical problems utilizing foundational knowledge of SIP signaling and call-flows.

  • Analyze and resolve remote site registration, signaling and media problems.

  • Configure route plans, route lists, device profiles, calling search spaces, and route partitions.

  • Validate change requests and ensure accuracy.

  • Perform fault analysis and configuration of voice subscribers, call handlers and call routing rules.

  • Perform fault analysis and configuration of Cisco and or Juniper routing and switching rules.

Basic Qualifications:

  • Currently possess DoD 8750 certification at IAT level II, Security+ CE or equivalent to meet requirement.

  • Experience with one or multiple Cisco, Avaya or Oracle voice platforms including Cisco Unified Communications Manager (CUCM), Cisco Unity, Cisco Unified Border Element (CUBE), Oracle Session Border Controller (SBC) and Avaya Aura Application Server.

  • Expertise in SIP internetworking signaling and call flow.

  • Demonstrable experience of advanced fault analysis to isolate and diagnose network problems for routing, switching, security and large scale voice implementations.

  • Currently possess an active TS/SCI security clearance.

Preferred Qualifications:

  • Working knowledge of Secure Real-Time Transport Protocol (SRTP) including associated G.711 and G.729 codecs and Digital Tone Multi Frequency (DTMF).

  • Experience with Cisco Unified Communications Manager and or Avaya Aura soft switches.

  • Experience with Oracle SBCs and other voice media gateway appliances.

  • Experience supporting distributed firewall infrastructure.

  • Experience creating/supporting IPSec MPLS VPN infrastructure

  • Experience implementing and supporting BGP routing protocols

  • Experience designing, configuring and troubleshooting QoS classification, marking and prioritization of network traffic (voice, critical applications, etc.).

  • Familiarity with IPSec implementation and troubleshooting.

Required Education and Experience:

  • Requires BS degree and 2-4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience. (Or equivalent combination of education and/or experience.)

GSMO

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:April 24, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $59,150.00 - $106,925.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.


What Leidos employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


Leidos logo

About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

Social media