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Security Software Developer Jobs in Illinois (NOW HIRING)

Milliman

Software Developer - Trading Technology

Chicago, IL · On-site

$107K - $177K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Role As a more Senior level Software Developer, you will be a member of our Trading Technology ... health, financial security, and well-being. Benefits include: * Medical, Dental and Vision ...

SAIC

Web Software Developer

Scott Air Force Base, IL · On-site

$120K - $160K/yr

Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance ... Adhere to Government and industry web and security standards. * Complete minor adjustments ...

SAIC

Web Software Developer

Scott Air Force Base, IL

$120K - $160K/yr

Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance ... Adhere to Government and industry web and security standards. * Complete minor adjustments ...

k12l

Senior Software Developer

New Orleans, LA

$52.25 - $69.25/hr

We are looking for engineers who are passionate about building innovative applications of the ... Ensure that code adheres to strict standards for accessibility, security, object-oriented practices ...

Collins Aerospace

Principal Software Engineer (Onsite)

Chicago, IL

$139K - $186K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Secret Security Clearance Status: Active and existing security clearance required after day 1 At ... As a Principal Software Engineer, you will contribute to the development of advanced software ...

Isys Technologies

IL · On-site

$99K - $105K/yr

Whether the focus is on space exploration, national security, cyber security, or cutting-edge ... Software Developer to support ongoing activities for a customer at Scott AFB, IL. This position ...

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All JobsSecurity Software Developer JobsSecurity Software Developer Jobs in Illinois

Security Software Developer information

See Illinois salary details

$46.5K

$108.4K

$160.9K

How much do security software developer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for security software developer in Illinois is $108,381.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,200.00 and $126,000.00 per year, depending on experience, location, and employer.

What is a security software developer?

Security Software Developers are professionals who design, develop, and implement software solutions specifically aimed at protecting computer systems and networks from cyber threats. They build security features, such as encryption, authentication, and intrusion detection, into applications and systems to ensure data confidentiality, integrity, and availability. Their work often involves identifying vulnerabilities, addressing security flaws, and staying updated on the latest cybersecurity threats and techniques. Security Software Developers collaborate with other IT teams to integrate robust security measures throughout the software development lifecycle.

What are the key skills and qualifications needed to thrive as a security software developer?

To thrive as a Security Software Developer, you need strong programming skills (such as C/C++, Python, or Java), a solid understanding of cybersecurity principles, and often a degree in computer science or related fields. Familiarity with security frameworks, penetration testing tools, secure coding standards, and certifications like CISSP or CEH are commonly required. Analytical thinking, problem-solving, and attention to detail are essential soft skills that help in identifying and mitigating vulnerabilities. These skills and qualities are crucial for building robust, secure software that protects organizations from evolving cyber threats.

What are some common challenges security software developers face when integrating security features into existing applications?

Security Software Developers often encounter challenges such as legacy code compatibility, balancing security enhancements with application performance, and ensuring new security features don't disrupt user experience. Collaborating closely with other developers and IT teams is essential to address these issues efficiently. Additionally, keeping up-to-date with evolving security threats and best practices is crucial, as solutions may need frequent updates or adjustments.

What is the difference between Security Software Developer vs Network Security Engineer?

AspectSecurity Software DeveloperNetwork Security Engineer
CredentialsBachelor's in Computer Science, cybersecurity certifications (e.g., CISSP, CEH)Bachelor's in Computer Science, cybersecurity certifications (e.g., CISSP, CEH)
Work EnvironmentDevelops security software, applications, and tools in software development teamsDesigns and implements network security measures, monitors network traffic
Industry UsageUsed across software companies, tech firms, and cybersecurity firmsCommon in IT departments, telecom, and enterprise organizations

Security Software Developers focus on creating security applications and tools, while Network Security Engineers primarily protect network infrastructure. Both roles require similar certifications and often collaborate to ensure comprehensive security solutions within organizations.

What are popular job titles related to Security Software Developer jobs in Illinois?

For Security Software Developer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Security Software Developer jobs in Illinois look for?

The top searched job categories for Security Software Developer jobs in Illinois are:

What cities in Illinois are hiring for Security Software Developer jobs?

Cities in Illinois with the most Security Software Developer job openings:

Security Software Developer jobs near you
Infographic showing various Security Software Developer job openings in Illinois as of August 2026, with employment types broken down into 85% Full Time, 13% Part Time, and 2% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $108,381 per year, or $52.1 per hour.

Software Developer - Trading Technology

Milliman

Chicago, IL • On-site

$107K - $177K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 hours ago

Milliman rating

8.5

Company rating: 8.5 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

Job description

The Role
As a more Senior level Software Developer, you will be a member of our Trading Technology Department that consists of technologists across development, quality assurance and DevOps teams. We are a full-stack team providing all technology required by Financial Risk Management's global trading operations. These trading operations include the portfolio management, trading, and trade operations teams. Our systems include financial mathematics to calculate risk, order management and routing systems to send orders, market data, reporting, and trade reconciliation for a wide variety of financial instruments traded around the world.
As a more Senior level Software Developer you will work with other developers on the team in the creation and support of trading, risk and back-office systems which are used on a global basis.
Your Responsibilities:
  • Create, maintain, and enhance systems to support our growing business. This includes both client and server-side software, database, and potentially intranet-based web development
  • Take on responsibilities only limited by your abilities and work with a fair degree of independence
  • Work and communicate clearly with other technical and non-technical team members including traders

Job Knowledge and Experience Required
  • B.S. in Computer Science or equivalent degree
  • 4+ years of experience as a software developer working with C# required
  • Experience working with Microsoft SQL Server or other Windows-supported databases
  • Proven experience developing, testing, and deploying applications within a Windows-based environment
  • Experience integrating with one or more cloud vendors (e.g., Microsoft Azure, Amazon Web Services, etc.)
  • Demonstrated aptitude for quantitative and critical thought
  • Ability to take on projects and operate with minimal oversight
  • Willingness to own products and take responsibility for their support
  • Strong communication skills

Additional Experience and Knowledge a plus
  • Experience with financial markets, mutual funds, portfolio management, and derivatives
  • Knowledge of Git source control system
  • Experience coding complex projects in VBA
  • Understanding of SDLC
  • Source control systems and branching patterns
  • Multithreaded programming

Location
Candidates hired into this role will be required to work in-person in the Milliman office in Chicago, IL on a weekly basis, but flexible work arrangements will be considered. The expected application deadline for this job is September 25, 2026.
Compensation
The overall range for this role is $107,755 - $177,675. A combination of factors will be considered, including, but not limited to, education, relevant work experience, qualifications, skills, certifications, etc.
Benefits
We offer a comprehensive benefits package designed to support employees' health, financial security, and well-being. Benefits include:
  • Medical, Dental and Vision - Coverage for employees, dependents, and domestic partners.
  • Employee Assistance Program (EAP) - Confidential support for personal and work-related challenges.
  • 401(k) Plan - Includes a company matching program and profit-sharing contributions.
  • Discretionary Bonus Program - Recognizing employee contributions.
  • Flexible Spending Accounts (FSA) - Pre-tax savings for dependent care, transportation, and eligible medical expenses.
  • Paid Time Off (PTO) - Begins accruing on the first day of work. Full-time employees accrue 15 days per year, and employees working less than full-time accrue PTO on a prorated basis.
  • Holidays - A minimum of 10 paid holidays per year.
  • Family Building Benefits - Includes adoption and fertility assistance.
  • Paid Parental Leave - 11 weeks of paid leave for employees who meet eligibility criteria.
  • Life Insurance & AD&D - 100% of premiums covered by Milliman.
  • Short-Term and Long-Term Disability - Fully paid by Milliman.

Equal Opportunity
All qualified applicants will receive consideration for employment, without regard to race, color, religion, sex, sexual orientation, national origin, disability, or status as a protected veteran.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.

What Milliman employees say

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About Milliman

Sourced by ZipRecruiter

Milliman delivers market-leading services and solutions to clients worldwide. Today, we are helping companies take on some of the world's most critical and complex issues, including retirement funding and healthcare financing, risk management and regulatory compliance, data analytics and business transformation.

Industry

Business management consulting

Company size

1,001 - 5,000 Employees

Headquarters location

Seattle, WA, US

Year founded

1947

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