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Senior Security Engineer Jobs in Decatur, IL (NOW HIRING)

AllSTEM Connections

Network Engineer

Decatur, IL · On-site

$176K - $187K/yr

Job Title: Senior Network Infrastructure Architect (SDN & SASE Strategy) Role Overview We are ... Ensure security is a primary component of the infrastructure, not an afterthought. Technical ...

AllSTEM Connections

Network Engineer

Decatur, IL · On-site

$176K - $187K/yr

Senior Network Infrastructure Architect (SASE & SD-WAN) Role Overview We are seeking a Senior ... Ensure security requirements (encryption, micro-segmentation, policy enforcement) are baked into ...

US Navy

Nuclear Engineer

Assumption, IL · On-site

$94K - $113K/yr

... with senior civilian engineers, naval officers, and technical teams; high expectations for ... Eligibility for a security clearance when required for your rating or designator * Additional ...

US Navy

Nuclear Engineer

Lincoln, IL · On-site

$96K - $115K/yr

... with senior civilian engineers, naval officers, and technical teams; high expectations for ... Eligibility for a security clearance when required for your rating or designator * Additional ...

US Navy

Nuclear Engineer

Macon, IL · On-site

$95K - $114K/yr

... with senior civilian engineers, naval officers, and technical teams; high expectations for ... Eligibility for a security clearance when required for your rating or designator * Additional ...

US Navy

Nuclear Engineer

Illiopolis, IL · On-site

$95K - $114K/yr

... with senior civilian engineers, naval officers, and technical teams; high expectations for ... Eligibility for a security clearance when required for your rating or designator * Additional ...

US Navy

Nuclear Engineer

Maroa, IL · On-site

$93K - $111K/yr

... with senior civilian engineers, naval officers, and technical teams; high expectations for ... Eligibility for a security clearance when required for your rating or designator * Additional ...

US Navy

Nuclear Engineer

Decatur, IL · On-site

$95K - $114K/yr

... with senior civilian engineers, naval officers, and technical teams; high expectations for ... Eligibility for a security clearance when required for your rating or designator * Additional ...

US Navy

Nuclear Engineer

Argenta, IL · On-site

$95K - $113K/yr

... with senior civilian engineers, naval officers, and technical teams; high expectations for ... Eligibility for a security clearance when required for your rating or designator * Additional ...

US Navy

Nuclear Engineer

Mansfield, IL · On-site

$92K - $110K/yr

... with senior civilian engineers, naval officers, and technical teams; high expectations for ... Eligibility for a security clearance when required for your rating or designator * Additional ...

Goli Tech

Sr. Seeburger Integration Engineer

Decatur, IL · On-site

$100K - $135K/yr

... engineer. * Should be able to design enhance and build new process with SEEBURGER BIS Process ... Ensure data compliance and security in all integration processes. * Document workflows, technical ...

Fuyao Glass America Inc

QC Engineer-Quality

Decatur, IL · On-site

$55K - $63K/yr

... and security of manufacturing and quality management information. Under the supervision of senior staff, the Quality Data Engineer supports routine reporting across departments, helps maintain ...

Eaton

Program Manager - Engineering

Lincoln, IL · On-site

$97K - $143K/yr

Capable of initiating and providing recommendations for Business Unit and Division senior ... and data security will be protected in accordance with applicable laws. We are committed to ...

US Navy

Oceanographer/Meteorologist

Maroa, IL · On-site

... senior, typically as mid-grade Lieutenants. Promotions to LTJG and LT occur at 2 and 4 years of ... Eligibility for a security clearance when required for your rating or designator * Additional ...

U.S. Navy

Meteorologist (Hiring Immediately)

Maroa, IL · On-site

... senior, typically as mid-grade Lieutenants. Promotions to LTJG and LT occur at 2 and 4 years of ... Must be qualified for sea duty, world-wide assignable, and eligible for a Top-Secret security ...

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All JobsSecurity Engineer JobsSenior Security Engineer JobsSenior Security Engineer Jobs in Decatur, IL

Senior Security Engineer information

See Decatur, IL salary details

$71.3K

$133K

$180.9K

How much do senior security engineer jobs pay per year?

As of Jul 28, 2026, the average yearly pay for senior security engineer in Decatur, IL is $133,013.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,100.00 and $152,300.00 per year, depending on experience, location, and employer.

What engineer makes $500,000 a year?

Senior Security Engineers with extensive experience, advanced certifications, and expertise in cybersecurity tools can earn salaries approaching or exceeding $500,000 annually, especially in high-demand industries or senior leadership roles. Such compensation often includes bonuses, stock options, or other incentives.

What are the key skills and qualifications needed to thrive as a Senior Security Engineer, and why are they important?

To thrive as a Senior Security Engineer, you need deep expertise in network security, risk assessment, incident response, and a relevant degree or equivalent experience. Familiarity with security tools such as SIEM platforms, firewalls, IDS/IPS, and certifications like CISSP or CEH are typically required. Strong analytical thinking, effective communication, and leadership abilities help you excel in complex security environments. These skills and qualifications are crucial to safeguard organizational assets and maintain robust defense against evolving cyber threats.

What is the difference between Senior Security Engineer vs Security Analyst?

AspectSenior Security EngineerSecurity Analyst
Required CredentialsCertifications like CISSP, CISA, CEH; Bachelor's or Master's in Cybersecurity or related fieldsCertifications like CompTIA Security+, GIAC Security Essentials; Bachelor's in Cybersecurity, Information Technology, or related fields
Work EnvironmentDesigning security systems, implementing security measures, leading security projectsMonitoring security alerts, analyzing threats, conducting security assessments
Employer & Industry UsageUsed in tech companies, finance, healthcare for security infrastructure rolesCommon in various industries for threat detection and incident response

The main difference is that Senior Security Engineers focus on designing and implementing security solutions, while Security Analysts primarily monitor and analyze security threats. Both roles require relevant certifications and work in similar environments, but their responsibilities differ in scope and focus.

What does a senior security engineer do?

A senior security engineer designs, implements, and manages security measures to protect an organization’s information systems and networks. They analyze vulnerabilities, respond to security incidents, and often lead security projects, requiring knowledge of tools like firewalls, intrusion detection systems, and security frameworks. They typically hold certifications such as CISSP or CISM and work closely with IT teams to ensure compliance and risk mitigation.

How does a Senior Security Engineer typically collaborate with other departments to enhance organizational security?

Senior Security Engineers frequently work cross-functionally, partnering with IT, software development, and compliance teams to implement security best practices and respond to incidents. They play a key role in conducting security reviews, advising on secure design, and leading incident response efforts. Effective communication and collaboration are essential, as these engineers often translate technical risks into business terms and provide guidance during audits or vulnerability assessments. This collaborative approach helps ensure comprehensive protection across all organizational assets.

Can you make $500,000 a year in cyber security?

Senior security engineers with extensive experience, advanced certifications, and specialized skills in areas like threat hunting or security architecture can potentially earn $500,000 or more annually, especially in high-cost living areas or large organizations. Achieving this level often requires a combination of technical expertise, leadership roles, and strategic responsibilities.

Can I make $200,000 a year in cyber security?

Senior security engineers with extensive experience, advanced certifications, and expertise in areas like cloud security or penetration testing can potentially earn $200,000 or more annually. Salary levels depend on factors such as location, industry, company size, and individual skills, with top-tier professionals often reaching or exceeding this figure.
What are popular job titles related to Senior Security Engineer jobs in Decatur, IL? For Senior Security Engineer jobs in Decatur, IL, the most frequently searched job titles are:
What job categories do people searching Senior Security Engineer jobs in Decatur, IL look for? The top searched job categories for Senior Security Engineer jobs in Decatur, IL are:
What cities near Decatur, IL are hiring for Senior Security Engineer jobs? Cities near Decatur, IL with the most Senior Security Engineer job openings:
Senior Security Engineer jobs near you
Infographic showing various Senior Security Engineer job openings in Decatur, IL as of July 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 77% In-person, and 23% Remote job distribution, with an average salary of $133,013 per year, or $63.9 per hour.
Senior Endpoint Engineer (R&D Specialist)

Senior Endpoint Engineer (R&D Specialist)

A1FED Inc

Texas, IL • Hybrid

$94K - $129K/yr

Full-time

Posted 15 hours ago

Job description

Location: DHA locations in and around San Antonio, TX

Clearance Required: Public Trust (ADP/IT-II) or Tier 3 Investigation (NACLC) 


The Senior Endpoint Engineer/R&D Specialist is responsible for architecting, developing, and sustaining endpoint management and delivery solutions that meet DoD and DHA operational and security requirements. This includes designing compliant application packaging, security configurations, software deployments, and mobile device solutions across the hybrid DHA ecosystem. The engineer will also lead Tier 3/4 support efforts, drive endpoint automation and modernization initiatives, and provide technical leadership in support of RMF and Zero Trust alignment.


KEY RESPONSIBILITIES


Application Integration & Enterprise Management:

  • Engineer and deploy endpoint management solutions (MECM, Intune, etc.) for both virtual and physical environments.
  • Package, test, and configure baseline applications and images for DHA endpoints.
  • Architect endpoint delivery frameworks to support centralized provisioning, patching, monitoring, and sustainment of services across hybrid (on-prem/cloud/SaaS) environments.
  • Engineer migration strategies from MECM to Intune and develop modern endpoint reporting capabilities.

Endpoint & Identity Security:

  • Validate endpoint compliance with DISA STIGs, DoDI 8510.01 (RMF), and NIST cybersecurity standards.
  • Conduct risk assessments and apply IA controls across all application and OS lifecycle stages.
  • Engineer and maintain endpoint configurations supporting Zero Trust, encryption, data-at-rest (DAR), and continuous monitoring.
  • Maintain artifacts in eMASS, including POA&Ms, risk assessments, and continuous monitoring documentation.

Desktop & Endpoint Engineering:

  • Build and maintain desktop OS images and standard software configurations for enterprise deployment.
  • Engineer solutions supporting task sequences, group policies, and profile/data management.
  • Modernize legacy configurations and support cloud-managed endpoints for improved user experience and performance.
  • Validate application compatibility and implement endpoint enhancements using industry best practices.

Mobile Engineering:

  • Design and implement mobile device provisioning, OS/firmware upgrades, and security configurations.
  • Develop transition plans for migrating MDM platforms while preserving user experience and enterprise controls.

Software Design & System Integration:

  • Research and develop system-level software solutions, including embedded systems and distribution frameworks.
  • Formulate operational specs and conduct in-depth requirement analyses to improve endpoint architectures.

Application Packaging & Automation:

  • Engineer, script, and deliver application packages using enterprise deployment tools.
  • Test application delivery using hypervisors and simulate endpoint software combinations.
  • Ensure compliance with DISA/NIST STIGs in application packaging and configuration management.
  • Maintain application baselines and automate patching and updates.

Preferred Tools & Technologies:

  • Microsoft MECM (SCCM), Intune, MDT, PowerShell
  • Windows Server OS, Windows 10/11
  • Hyper-V, Azure, Entra ID, GPO
  • ActivClient, eMASS, DISA STIG Viewer
  • SCAP Compliance Checker, NIST 800-series
  • Application packaging tools (AdminStudio, WiseScript, etc.)


Education & Certification Requirements (per DoD 8140 Qualification Matrices)

1) Microsoft Certified: Cyber Security Architect Expert or Azure Solutions Architect Expert

2) Any of the following...

  • Academic Education: Bachelor's degree in information technology, Cybersecurity, or a related discipline.
  • OR Baseline: GCLD or CCE or CASP+ or CEH or GLSC or CISSP


Employment Type: FULL_TIME

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