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Senior Engineer Jobs in Decatur, IL (NOW HIRING)

A1FED Inc

Senior Endpoint Engineer (R&D Specialist)

Texas, IL · Hybrid

$94K - $129K/yr

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 ...

Primient

Process Technology Engineer

Decatur, IL

Engineer 1 > Engineer 2 > Engineer 3 > Sr. Engineer > Principal Engineer > Engineer Fellow Key responsibilities: Process Technology Engineer * Provide process engineering support for manufacturing ...

Primient

Process Technology Engineer

Decatur, IL · On-site

Engineer 1 > Engineer 2 > Engineer 3 > Sr. Engineer > Principal Engineer > Engineer Fellow Key responsibilities: Process Technology Engineer * Provide process engineering support for manufacturing ...

Primient

Process Technology Engineer

Decatur, IL · On-site

Engineer 1 > Engineer 2 > Engineer 3 > Sr. Engineer > Principal Engineer > Engineer Fellow Key responsibilities: Process Technology Engineer * Provide process engineering support for manufacturing ...

ADM

Senior Process Engineer - Decatur, IL

Decatur, IL

$100K - $130K/yr

Senior Process Engineer- Decatur, ILPosition Summary: The Senior Process Engineer is responsible for implementing process and technology improvement opportunities within their process area; applying ...

AllSTEM Connections

Senior Wireless Engineer

Decatur, IL · On-site

$176K - $187K/yr

Job Title: Senior Wireless & Industrial Connectivity Architect Role Overview We are seeking a ... This is a high-impact architecture role for an engineer who excels at managing the physics of RF in ...

ADM

Senior Mechanical Piping Engineer - Decatur, IL

Decatur, IL · On-site

$101K - $133K/yr

Senior Mechanical Piping Engineer - Decatur, IL This is a full-time, exempt-level position located on site at ADM's complex in Decatur, IL. Job Summary: The Senior Mechanical Piping Engineer will be ...

Belcan

Senior Structural Design Engineer

Decatur, IL

$52 - $62/hr

Senior Structural Design Engineer Location: Decatur, IL Zip Code: 62526 Duration: 6 Months Pay Rate: $52 - $62/hr. Keyword's: #Decaturjobs; #SeniorStructuralDesignEngineerjobs. Start Date: Immediate ...

Caterpillar

Senior Design Engineer

Decatur, IL · On-site

$112K - $169K/yr

Engineering Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the ...

ADM

Electrical Engineer - Decatur, IL

Decatur, IL

$70K - $105K/yr

What You'll Do Work with senior engineers to review and update single-line diagrams and SKM electrical modelsAssist in conducting electrical studies to include load flow, fault current analysis ...

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All JobsSenior Engineer JobsSenior Engineer Jobs in Decatur, IL

Senior Engineer information

See Decatur, IL salary details

$57.7K

$122.8K

$178K

How much do senior engineer jobs pay per year?

As of Jun 24, 2026, the average yearly pay for senior engineer in Decatur, IL is $122,756.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,400.00 and $139,200.00 per year, depending on experience, location, and employer.

How does a Senior Engineer typically mentor junior team members, and what impact does this have on the team's success?

Senior Engineers often play a key role in mentoring junior developers by providing guidance on technical challenges, reviewing code, and sharing best practices. This mentorship helps foster a collaborative environment where less-experienced team members can develop their skills more rapidly. As a result, the entire team benefits from improved code quality, faster problem-solving, and a culture of continuous learning. Senior Engineers also help set standards and encourage professional growth, which contributes to the overall success and cohesion of the engineering team.

What does a senior engineer do?

A senior engineer designs, develops, and tests complex systems or products within their technical field, often leading projects and mentoring junior staff. They utilize advanced technical skills, problem-solving abilities, and may hold certifications relevant to their industry. Their role involves ensuring quality, efficiency, and adherence to project deadlines in a collaborative environment.

What engineers make $300,000 a year?

Senior engineers in fields such as software, electrical, and petroleum engineering can earn $300,000 or more annually, especially with extensive experience, specialized skills, and leadership roles. High compensation often involves working in competitive industries, advanced certifications, or managerial positions that oversee large projects or teams.

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

To thrive as a Senior Engineer, you need advanced technical expertise in your engineering discipline, a relevant degree, and several years of industry experience. Familiarity with project management software, CAD tools, and compliance with engineering standards or certifications like PE (Professional Engineer) is typically required. Critical thinking, leadership, and effective communication are essential soft skills for mentoring teams and managing complex projects. These skills and qualities ensure successful project delivery, innovation, and strong team performance within engineering environments.

What Is a Senior Engineer?

Senior engineers develop and design software programs and applications, but are designated senior because they have more extensive knowledge and years of experience than other engineers on their team. As a senior engineer, you work closely with company managers to ensure the software is created to the required specifications and must troubleshoot issues with applications when they arise. Most senior engineers have mastered a specific set of programming languages, databases, and operating systems.

What is the difference between Senior Engineer vs Mechanical Engineer?

AspectSenior EngineerMechanical Engineer
Required CredentialsBachelor's degree in engineering; often a master's; professional engineering license (PE) preferredBachelor's degree in mechanical engineering; PE license optional but advantageous
Work EnvironmentDesign, development, project management; leadership rolesDesign, analysis, testing, manufacturing
Industry UsageUsed across engineering sectors for experienced professionalsEntry to mid-level engineering roles in manufacturing, automotive, aerospace

Senior Engineers typically have more experience, leadership responsibilities, and advanced credentials compared to Mechanical Engineers. While Mechanical Engineers focus on design and analysis, Senior Engineers often oversee projects and mentor teams, making them suitable for higher-level roles within engineering teams.

What engineers make $500,000?

Senior engineers in fields such as software, electrical, and aerospace engineering can earn $500,000 or more annually, especially with extensive experience, specialized skills, and leadership roles. High compensation often includes bonuses, stock options, or profit sharing, particularly in technology companies or industries with high demand for technical expertise.

Can you make $500,000 as a civil engineer?

Senior engineers in civil engineering can potentially earn $500,000 annually, especially with extensive experience, specialized skills, management roles, or working in high-paying industries or regions. However, such salaries are typically achieved through senior leadership positions, consulting, or project management over time.

What is a Senior Engineer?

A Senior Engineer is an experienced professional responsible for designing, developing, and overseeing complex engineering projects. They often lead teams, mentor junior engineers, and ensure that technical solutions meet organizational goals and industry standards. Senior Engineers are typically experts in their field, possessing advanced problem-solving skills and a deep understanding of relevant technologies and methodologies. Their role also often involves collaborating across departments, managing timelines, and contributing to strategic planning.
More about Senior Engineer jobs
What are the most commonly searched types of Engineer jobs in Decatur, IL? The most popular types of Engineer jobs in Decatur, IL are:
What cities near Decatur, IL are hiring for Senior Engineer jobs? Cities near Decatur, IL with the most Senior Engineer job openings:
Senior Engineer jobs near you
Infographic showing various Senior Engineer job openings in Decatur, IL as of June 2026, with employment types broken down into 91% Full Time, 6% Part Time, 1% Temporary, and 2% Contract. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution, with an average salary of $122,756 per year, or $59 per hour.

Senior Endpoint Engineer (R&D Specialist)

A1FED Inc

Texas, IL • Hybrid

$94K - $129K/yr

Full-time

Posted 27 days 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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