Top 21 information security Jobs in clinton il

DCO Counter-Measures Engineer
Leidos —Illinois
- $107,900 - $195,050 a year
- Full-time
- Hybrid work
- System design
- Windows
- Java
IT GRC Analyst
State Farm —Bloomington, IL
- $104,000 - $165,000 a year
- Full-time
- Hybrid work
- Mid-level
- Office
- JavaScript
- Paid holidays
- Health insurance
Specialist - CyberSecurity
LTM —Bloomington, IL
- $57,110 - $105,200 a year
- Mid-level
- Analysis skills
- Bachelor's degree
- Paid parental leave
- Paid holidays
Quick Apply
Cyber eDiscovery Specialist
Cognicion, LLC —United States
- $95,600 - $145,400 a year
- Full-time
- Remote
- Background check
- SQL
- Bachelor's degree
- Health savings account
- Health insurance
FBI Special Agent: Cybersecurity/IT Expertise
Federal Bureau of Investigation —United States
- $103,236 - $133,200 a year
- Full-time
- Doctoral degree
- Mid-level
- Master's degree
4d
IBM Verify IAM Engineer(Mid-level) REMOTE, USA
Novacoast Staffing Services —United States
- $40 - $60 an hour
- Contract
- Remote
- Mid-level
- 3 years
- Linux
- Health savings account
- Health insurance
Quick Apply
Application Security Engineer
H.W. Kaufman Group —United States
- Full-time
- Remote
- 5 years
- Salesforce
- Analysis skills
FBI Special Agent: Information Systems & Process Management Expertise
Federal Bureau of Investigation —United States
- $103,236 - $133,200 a year
- Full-time
- Doctoral degree
- Mid-level
- Master's degree
4d
Senior Information Security Architect (AWS)
CGI Group, Inc. —United States
- $121,900 - $154,300 a year
- Hybrid work
- Computer Science
- DevOps
- System design
- Paid parental leave
- Paid holidays
5d
Senior IBM Verify IAM Engineer (REMOTE in USA)
Novacoast Staffing Services —United States
- $50 - $65 an hour
- Contract
- Remote
- 7 years
- Linux
- Senior level
- Health savings account
- Health insurance
Quick Apply
VistA Technical Subject Matter Expert (SME) - Tier 2 Support (Remote)
Govcio LLC —United States
- $140,000 - $150,000 a year
- Full-time
- Remote
- 11+ years
- Bachelor's degree
- Mentoring
5d
Software Architect
CGI Group, Inc. —United States
- $57,100 - $154,300 a year
- Azure
- Computer Science
- 8 years
- Paid parental leave
- Paid holidays
5d

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DCO Counter-Measures Engineer

Leidos -
Illinois

Apply Now

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.

Apply Now

Refine Your Search

information security jobs in clinton il

DCO Counter-Measures Engineer

IT GRC Analyst

Specialist - CyberSecurity

Cyber eDiscovery Specialist

FBI Special Agent: Cybersecurity/IT Expertise

IBM Verify IAM Engineer(Mid-level) REMOTE, USA

Application Security Engineer

FBI Special Agent: Information Systems & Process Management Expertise

Senior Information Security Architect (AWS)

Senior IBM Verify IAM Engineer (REMOTE in USA)

VistA Technical Subject Matter Expert (SME) - Tier 2 Support (Remote)

Software Architect

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