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Senior Systems Engineer Jobs in Lincoln, IL (NOW HIRING)

LRS

Systems Programmer

Springfield, IL · On-site

$40 - $60/hr

LRS Consulting Services is seeking a Senior z/OS Systems Programmer to provide ongoing operational support for a large-scale mainframe environment. This is a hands-on role responsible for installing ...

Ameren Services

System Protection Engineer

Decatur, IL · On-site

$71.10K - $137.20K/yr

About The Position The Engineer designs control and protection systems; determines protective relay and surge protection requirements; determines the specification of relay settings for the ...

Ameren

System Protection Engineer

Decatur, IL · On-site

$71.10K - $137.20K/yr

About The Position The Engineer designs control and protection systems; determines protective relay and surge protection requirements; determines the specification of relay settings for the ...

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$54.6K

$121.6K

$171.7K

How much do senior systems engineer jobs pay per year?

As of May 28, 2026, the average yearly pay for senior systems engineer in Lincoln, IL is $121,649.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,900.00 and $139,500.00 per year, depending on experience, location, and employer.

What Is a Senior Systems Engineer?

A senior systems engineer is an IT (information technology) professional tasked with designing and maintaining network systems and security. Examples include large server or storage systems, computer networks, and mainframes. As a systems engineer, your primary duties are to oversee the daily operations of your facility and lead a team of engineers in designing new systems to replace old ones. You may work for a company that provides engineering services and solutions for other businesses, or you may be part of a large university or other institution's IT department. Skills needed for the career include the ability to work independently, leadership, and analytical problem-solving. A bachelor’s degree in electrical engineering or IT and significant experience in a lower systems engineering position are essential qualifications.

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

To thrive as a Senior Systems Engineer, you need expertise in systems architecture, troubleshooting, and network administration, typically supported by a degree in computer science or a related field and several years of relevant experience. Familiarity with virtualization platforms, cloud services (like AWS or Azure), automation tools (such as Ansible or PowerShell), and certifications like CompTIA, Microsoft, or Cisco are often required. Outstanding problem-solving, communication, and project management skills help you lead initiatives and collaborate effectively across teams. These competencies are crucial for ensuring system reliability, scalability, and security in complex IT environments.

What are some common challenges faced by Senior Systems Engineers when integrating new technologies into existing infrastructure?

Senior Systems Engineers often encounter challenges such as ensuring compatibility between legacy systems and new technologies, minimizing downtime during migrations, and addressing unforeseen security vulnerabilities. Effective integration requires thorough planning, cross-team collaboration, and detailed testing to avoid disruptions to business operations. Staying current with emerging technologies and adopting best practices for change management are essential for overcoming these challenges and ensuring smooth implementation.

What are Senior Systems Engineers?

Senior Systems Engineers are experienced professionals responsible for designing, implementing, and maintaining complex IT systems within an organization. They oversee the integration of hardware and software, ensure system reliability, and troubleshoot advanced technical issues. Senior Systems Engineers often lead projects, mentor junior staff, and collaborate with other departments to meet organizational goals. Their role is critical in maintaining the infrastructure that supports business operations.

What is the difference between Senior Systems Engineer vs Systems Administrator?

AspectSenior Systems EngineerSystems Administrator
CertificationsCompTIA Security+, Cisco CCNA, Microsoft certificationsCompTIA A+, Network+, Microsoft certifications
Work EnvironmentDesigning, implementing, and troubleshooting complex systemsManaging daily system operations and user support
Industry UsageIT, technology, enterprise environmentsIT support, small to medium businesses

While both roles involve working with IT systems, Senior Systems Engineers focus on designing and implementing complex infrastructure, whereas Systems Administrators handle routine maintenance and user support. The senior role typically requires more advanced certifications and experience, and often involves strategic planning and system architecture.

More about Senior Systems Engineer jobs
What cities near Lincoln, IL are hiring for Senior Systems Engineer jobs? Cities near Lincoln, IL with the most Senior Systems Engineer job openings:
Senior Systems Engineer jobs near you

Senior Identity Engineering Services (Systems Developer)

A1FED Inc

Texas, IL • Hybrid

$94.30K - $129K/yr

Full-time

Posted 29 days ago

Job description

Location: DHA locations in and around San Antonio, TX

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


The IdM Engineer Systems Developer is a senior-level technical professional responsible for the design, development, and support of identity and access management solutions across the DHA enterprise. This role includes engineering support for Active Directory, Public Key Infrastructure (PKI), Privileged Access Management (PAM), Cryptographic Key Management, and other security-focused identity services. The engineer ensures systems comply with DoD directives, DISA STIGs, and DHA architectural standards.



Key Responsibilities:

  • Design, document, and implement standardized, compliant, and forward-looking solutions for identity, access, and credential management, including PKI, PAM, and cryptographic key management.
  • Engineer and maintain directory services architectures including Active Directory Domain Services (ADDS), Active Directory Lightweight Directory Services (ADLDS), and Secure DNS integrated with the latest DHA server baselines and DISA STIGs.
  • Update and sustain the mJAD Architecture & Design Document and related engineering packages.
  • Engineer and support the DHA PKI infrastructure in alignment with DoDI 8520.02, including CA migration, Middleware (e.g., ActivIdentity), and Validator Suites (e.g., Axway).
  • Maintain PKI Certificate Validation Suites and support certificate issuance across LAN/WLAN and Med-COI systems.
  • Engineer identity management solutions to manage users, groups, and assets across hybrid on-prem and cloud environments, enforcing policy-based access to systems, SaaS, and resource partners.
  • Develop identity and authentication architectures compliant with DoD Enterprise ICAM Reference Design and DoDI 8520.03.
  • Deliver identity automation, alerting, reporting, and enforcement policies to meet MHS operational and security requirements.
  • Engineer PKE solutions enabling X.509 certificate usage across MHS applications, ensuring integration with PKI for authentication, confidentiality, data integrity, and non-repudiation.
  • Provide engineering support for certificate-enabled applications such as ActivClient and Axway Desktop Validator.
  • Research, design, and test system-level and embedded software solutions, including network distribution platforms and compilers.
  • Apply computer science, engineering, and mathematical analysis to develop scalable, secure software architectures for MHS systems.


Preferred Tools & Technologies:

  • Microsoft Active Directory, ADLDS, DNS
  • DoD PKI / Internal Medium Assurance (IMA)
  • ActivIdentity ActivClient, Axway Validator Suites
  • DoD ICAM Reference Architecture
  • PowerShell, LDAP, X.509 certificate utilities
  • Remedy Ticketing System
  • Microsoft Server Operating Systems
  • DoD STIGs, DoDI 8520.02 / 03



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: FITSP-D or GCSA or GISF or SSCP or GLSC or CISSP


Employment Type: FULL_TIME

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