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Contract Compiler Software Engineer Jobs in Illinois

Leidos

Network Software Engineer

Shiloh, IL · On-site

Leidos' Digital Sector/Global Solutions Management-Operations II (GSMO-II) contract has an opening for a Network Software Engineer located in the Scott AFB, IL area. The Network Software Engineer ...

Ironclad

$215K - $235K/yr

Contracts move faster, insights surface instantly, and agents push work forward, all with you in ... Engineering at Ironclad As a Staff Software Engineer at Ironclad, you'll partner closely with ...

Leidos

Mid-Level Software Engineer

Collinsville, IL · On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software Engineering, or related field and 4-8 years of prior relevant experience or Master's with 2-6 years of prior ...

Leidos

Mid-Level Software Engineer

Madison, IL · On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software Engineering, or related field and 4-8 years of prior relevant experience or Master's with 2-6 years of prior ...

Leidos

Mid-Level Software Engineer

Wood River, IL · On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software Engineering, or related field and 4-8 years of prior relevant experience or Master's with 2-6 years of prior ...

Leidos

Mid-Level Software Engineer

East Saint Louis, IL · On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software Engineering, or related field and 4-8 years of prior relevant experience or Master's with 2-6 years of prior ...

Leidos

Mid-Level Software Engineer

Columbia, IL · On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software Engineering, or related field and 4-8 years of prior relevant experience or Master's with 2-6 years of prior ...

Leidos

Mid-Level Software Engineer

Maryville, IL · On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software Engineering, or related field and 4-8 years of prior relevant experience or Master's with 2-6 years of prior ...

Leidos

Mid-Level Software Engineer

South Roxana, IL · On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software Engineering, or related field and 4-8 years of prior relevant experience or Master's with 2-6 years of prior ...

Leidos

Mid-Level Software Engineer

Belleville, IL · On-site

$87K - $157K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software Engineering, or related field and 4-8 years of prior relevant experience or Master's with 2-6 years of prior ...

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All JobsContract Compiler Software Engineer JobsContract Compiler Software Engineer Jobs in Illinois

Contract Compiler Software Engineer information

What is the difference between Contract Compiler Software Engineer vs Compiler Developer?

AspectContract Compiler Software EngineerCompiler Developer
CredentialsBachelor's in Computer Science or related field; experience with compiler toolsBachelor's or higher in Computer Science; specialized knowledge in compiler design
Work EnvironmentContract-based, project-specific, often in tech or software companiesFull-time, research or product-focused teams in tech firms or academia
Industry UsageCommon in software development, tech consulting, and freelance projectsPrimarily in software development, research, and academia
Search & Comparison IntentLooking for contract roles involving compiler workSeeking in-depth compiler development roles

The Contract Compiler Software Engineer typically works on specific projects under contract, focusing on implementing or maintaining compiler features. In contrast, a Compiler Developer often works full-time on designing and improving compiler systems. Both roles require similar technical skills and educational backgrounds, but differ mainly in employment type and scope of work.

What are the most commonly searched types of Compiler Software Engineer jobs in Illinois? The most popular types of Compiler Software Engineer jobs in Illinois are:
What are popular job titles related to Contract Compiler Software Engineer jobs in Illinois? For Contract Compiler Software Engineer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Contract Compiler Software Engineer jobs in Illinois look for? The top searched job categories for Contract Compiler Software Engineer jobs in Illinois are:
What cities in Illinois are hiring for Contract Compiler Software Engineer jobs? Cities in Illinois with the most Contract Compiler Software Engineer job openings:
Contract Compiler Software Engineer jobs near you

Network Software Engineer

Leidos

Shiloh, IL • On-site

Full-time

Posted 17 days ago

Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 151 frontline employees who took The Breakroom Quiz

77th of 483 rated business services

Job description

Leidos' Digital Sector/Global Solutions Management-Operations II (GSMO-II) contract has an opening for a Network Software Engineer located in the Scott AFB, IL area. The Network Software Engineer will work as part of a team to support the development and release of new software tools using the Cisco Network Services Orchestrator (NSO) platform, Python, and other software languages to sustain and manage a Carrier-class Wide Area Network for the Defense Information Systems Agency under the Department of War. Additionally, the position will offer the candidate an opportunity to engage in network engineering using knowledge of routing and system fundamentals in an ISP level network environment. This position is ideal for a networking professional with a few years of experience in software tool creation looking to develop and expand their abilities and showcase their skills in a fast paced and technically challenging role.
Primary Responsibilities-
  • Design, develop, document, test and release software written in Python, XML, and other languages for use with the Cisco Network Services Orchestrator (NSO) platform.
  • Integrate software with network devices, including Cisco ASR9K and Juniper MX series routers.
  • Perform engineering tasks related to the design, implementation, and integration of network changes and sustainment of customer systems in a Wide Area Network environment.
  • Conduct planning and performance of analytical research, design development, and other tasks to align with customer specifications.
  • Ensure efficient delivery of contract capabilities using industry standards and repeatable processes.
  • Mitigate risks, control costs and schedule variance, and effectively manage large scale, integrated projects.
  • Perform a variety of analytical tasks which include hardware and software design and implementation.
  • Proactively identify, report, monitor, and mitigate technical risks.
  • Frequently communicate and collaborate with other team members to ensure successful completion of project objectives.

Basic Qualifications-
  • Currently possess an active DoD Secret clearance or higher
  • Currently possess DoD 8750 certification at IAT level II, Security+ CE or equivalent to meet requirement.
  • Python software development experience that includes REST api development, as well as the parsing, generation and validation of JSON.
  • Experience with distributed version control software such as Git and Bitbucket.
  • Experience developing software on a Linux platform.
  • Experience troubleshooting and configuring IP networks using at least one of the following routing methods: BGP, ISIS, OSPF, and/or Static routing.
  • Experience with either service provider or enterprise IP networks using an interface on Cisco (ESR and ASR) and/or Juniper routers.
  • Strong communication skills that enable proactive and effective collaboration with a team.
  • Knowledge of and ability to apply principles, theories, and concepts of Software Engineering.

Preferred Qualifications-
  • Proficient in Juniper and Cisco configuration, troubleshooting, and design.
  • Experience with Cisco IOS XR, JUNOS, and Cisco IOS codes.
  • Network configuration experience, specifically with Juniper or Cisco routers, to include protocols such as BGP, MPLS, VPLS, Pseudowires and QoS.
  • Certifications with major network system vendors such as Cisco are a strong plus
  • Experience developing XML and/or object-oriented programming.
  • Experience developing software using SDN modeling languages and protocols such as YANG, NETCONF and RESTCONF.
  • Full software lifecycle experience (design, development, test, deployment), including deployment to a production environment.
  • Experience developing software including the ability to quickly learn new technologies.
  • Experience creating software design artifacts, including the creation of functional, technical, and architectural design documentation as well as test cases and installation, deployment and configuration documentation.
  • Software Defined Networking experience, particularly experience with Cisco NSO.
  • Possessing project, technical, interpersonal, presentation and problem management skills.

Required Education and Experience-
  • Bachelor's degree in a relevant technical discipline, plus 2-4 years of prior relevant experience or a Master's degree with less than 2 years of prior relevant experience.

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:
July 22, 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 $69,550.00 - $125,725.00
The Leidos pay range for this job level is a general guideline only and 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.

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About Leidos

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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

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