Top 33 Api engineer Jobs in Red Bud, Il

DCO Counter-Measures Engineer
Leidos —Illinois
- $107,900 - $195,050 a year
- Full-time
- Hybrid work
- System design
- Windows
- Java
Full Stack Developer (Backend Emphasis)
Agile Defense —Scott AFB, IL
- $110,000 - $150,000 a year
- Hybrid work
- Computer Science
- 5 years
- System design
- Paid holidays
- Disability insurance
Quick Apply
API Engineer
Booz Allen —Scott AFB, IL
- $86,800 - $198,000 a year
- Full-time
- Azure
- Mid-level
- Office
- Health insurance
- Flexible spending account
6d
Java Developer
Netrist —Scott AFB, IL
- Full-time
- Remote
- Computer Science
- Software troubleshooting
- System design
- Paid holidays
- Disability insurance
Cloud Engineer 2
UNCOMN —Scott AFB, IL
- $82,000 - $97,000 a year
- Computer Science
- Engineering
- System design
- Paid holidays
- Health insurance
Senior Full Stack Developer - Front End
Netrist —Scott AFB, IL
- Full-time
- Remote
- Computer Science
- System design
- Java
- Paid holidays
- Disability insurance
Automation Engineer, Mid
Booz Allen —Scott AFB, IL
- $61,900 - $141,000 a year
- Full-time
- Mid-level
- Office
- Windows
- Health insurance
- Flexible spending account
4d
Data Engineer
Logistics Management Institute —Scott AFB, IL
- $76,390.24 - $130,605.48 a year
- Full-time
- Azure
- Computer Science
- System design
3d
Automation Engineer, Senior
Booz Allen —Scott AFB, IL
- $86,800 - $198,000 a year
- Full-time
- Office
- Windows
- High school diploma or GED
- Health insurance
- Flexible spending account
4d
Full Stack Developer (Frontend Emphasis)
Agile Defense —Scott AFB, IL
- $110,000 - $150,000 a year
- Hybrid work
- Computer Science
- System design
- Java
- Paid holidays
- Disability insurance
Quick Apply
Zero Trust Engineer
Booz Allen —Scott AFB, IL
- $77,500 - $176,000 a year
- Full-time
- Mid-level
- Office
- High school diploma or GED
- Health insurance
- Flexible spending account
15h
Senior Developer (Security) - Hybrid
Netrist —Scott AFB, IL
- Full-time
- Remote
- Computer Science
- Software troubleshooting
- Java
- Disability insurance
- Health insurance
Senior Software Engineer (Onsite)
Anew Transport —Pevely, MO
- Full-time
- Office
- AWS
- Quality control
- Paid holidays
- Health insurance
Quick Apply
11d
Senior Quality Assurance Engineer
TherapyNotes.com —United States
- $95,000 - $125,000 a year
- Full-time
- Remote
- Computer Science
- 5 years
- Bachelor of Science
- Profit sharing
- Disability insurance
Quick Apply
8d
Senior ColdFusion Engineer
Insight Service Group, ISG —United States
- $100,000 - $115,000 a year
- Full-time
- Background check
- Computer science
- Computer Science
- Health savings account
- Health insurance
Quick Apply
Automation Lead
CGI Group, Inc. —United States
- $57,100 - $154,300 a year
- Azure
- 8 years
- Continuous improvement
- Paid parental leave
- Paid holidays
7d
Lead DevSecOps Engineer
CGI Group, Inc. —United States
- $57,100 - $154,300 a year
- Windows
- Continuous improvement
- Mentoring
- Paid parental leave
- Paid holidays
9d

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Full Stack Developer (Backend Emphasis)
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Participate in front end architecture decisions, including state management, component structure, routing, and build configuration.

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api engineer jobs near red bud, il

DCO Counter-Measures Engineer

Leidos -
Illinois

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Job Details

Full-time
$107,900 - $195,050 a year

Qualifications

Linux support
IP networking
Linux administration

Full Job Description

Description

Leidos' Digital Modernization sector has a current job opportunity for a Defensive Cyber Operations (DCO) Counter-Measures Engineer.

This position will support the GSM-O II program, which provides network operations and cyber defense support to the Defense Information Systems Agency (DISA) in support of the DoD and COCOMs. The selected candidate will provide support for defensive cyber operations activities and will be expected to actively engage with a variety of customers and mission partners.

This position can be based out of any of our three core sites - Scott AFB, IL; Hill AFB, UT; or Columbus, OH. Partial/hybrid telework may be allowed, but a consistent on-site presence is required.

PRIMARY RESPONSIBILITIES:

Author and deploy novel countermeasures to eliminate threats and illuminate their activities.
Assess the effectiveness of countermeasures on an ongoing basis and revector actions as needed.
Design and develop solutions to deliver automated cybersecurity services, conduct agile development & maintenance of automation script/tools to scale cybersecurity work across the enterprise.
Develop custom integrations, data correlation, and processing strategies to reduce cybersecurity risk and act as a Subject Matter Expert for the automation team.
Maintain situational awareness of cyber activity by reviewing DoD, Intelligence Community and open-source reporting for new vulnerabilities, malware or other threats that have the potential to impact the DoDIN.

BASIC QUALIFICATIONS:

Must have an active DoD Secret clearance and be eligible to obtain TS/SCI
Bachelor's degree in a related discipline with 8+ years of applicable experience; additional related years of experience is accepted in lieu of a degree.
Requires 8140 Cyber Defense Infrastructure Support Specialist 521 (CS) Intermediate-level compliance, to include one of the following certifications: Security+, PenTest+, CySA+, GSEC, or GMON.
Proficiency in programming in at least one modern language (Java, Python, Ruby, C++).
Custom malware detection development experience.
Advance understanding of TCP/IP, networking ports and protocols, traffic flow, system administration, OSI model, defense-in-depth and common security elements.
Understand the life cycle of network threats, attacks, attack vectors and methods of exploitation with an understanding of intrusion set tactics, techniques and procedures (TTPs).
UNIX Administrative skills.

PREFERRED SKILLS:

Experience with DISA and DoD Networks.
Experience countering APTs or emergent threats to DOD networks.
Skilled in developing extended cyber security analytics.
Experience in developing and supporting a development environment.
Experience automating tasks via Bash, Python, PowerShell, or other scripting tools.
Experience in Linux and Windows-based systems administration in a cloud or virtualized environment.
Experience with API development and integration.
Experience with Git, Sigma, Yara, Snort, and Suricata.
Experience with Detection-as-a-Code Principles.
Experience with malware analysis concepts and methods.
Advanced Certifications such as GREM, OSCP, CISSP or CASP.

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:

May 12, 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 $107,900.00 - $195,050.00

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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Refine Your Search

api engineer jobs in red bud, il

DCO Counter-Measures Engineer

Full Stack Developer (Backend Emphasis)

API Engineer

Java Developer

Cloud Engineer 2

Senior Full Stack Developer - Front End

Automation Engineer, Mid

Data Engineer

Automation Engineer, Senior

Full Stack Developer (Frontend Emphasis)

Zero Trust Engineer

Senior Developer (Security) - Hybrid

Senior Software Engineer (Onsite)

Senior Quality Assurance Engineer

Senior ColdFusion Engineer

Automation Lead

Lead DevSecOps Engineer

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