ZipRecruiter

Log In

1

On Call Systems Engineer Jobs in Illinois (NOW HIRING)

SAIC

Systems Engineer

Scott Air Force Base, IL · On-site

$40K - $80K/yr

Must be available to participate in on-call work on a reoccurring basis * Solid troubleshooting ... delivery of systems engineering and integration offerings for large, complex projects. SAIC ...

SAIC

Systems Engineer

Scott Air Force Base, IL

$40K - $80K/yr

Information Technology Subcategory: IT Systems Engineer Schedule: Full-Time Shift: Day Job Travel ... Must be available to participate in on-call work on a reoccurring basis * Solid troubleshooting ...

SAIC

IL · On-site

$40K - $80K/yr

Description SAIC is seeking a System Engineer to support an IT Service Management effort for ... Must be available to participate in on-call work on a reoccurring basis * Solid troubleshooting ...

GRVTY

Mid-Level Systems Engineer

Virginia, IL

The Systems Engineer is responsible the applications infrastructure across all networks. Technical ... Responsible for tech precepts implementation and contractually responsible to be on call 24/7. Key ...

Endeavor Health

Systems Engineer II - Citrix

Skokie, IL · Hybrid

$41.64 - $64.54/hr

Position: Systems Engineer II - Citrix * Location: Skokie, IL or Arlington Heights, IL or ... Performs On-call rotational duties by providing off hour support to supported platforms, software ...

New

Robert Half

Systems Engineer

Libertyville, IL · On-site

$50 - $60/hr

We are looking for a Systems Engineer to support and evolve a complex enterprise infrastructure ... Ability to join a rotating on-call schedule and communicate effectively with both technical teams ...

Prinova Group LLC

Network Systems Engineer

Itasca, IL · On-site

Network Systems Engineer Department: IT, Corporate Location: Itasca, IL Type: Full-time Summary ... Participate in on-call rotation for after-hours support as needed. * Other duties may be assigned.

Impact Networking

Systems Engineer I

Bolingbrook, IL · On-site

$75K - $90K/yr

Job Overview The TOC Systems Engineer will be part of Impact Networking's Managed IT organization ... Serve in scheduled after-hours, on-call rotations, providing timely response and resolution for ...

Impact Networking

Systems Engineer I

Bolingbrook, IL · On-site

Job Overview The TOC Systems Engineer I will be part of Impact Networking's Managed IT organization ... Serve in scheduled after-hours, on-call rotations, providing timely response and resolution for ...

Motorola

Sr. Systems Engineer

Schaumburg, IL

$90K - $100K/yr

We are seeking a Sr. Systems Engineer to serve as a high-level technical escalation point for our ... Participate in the on-call rotation and work variable shifts as dictated by emergency public safety ...

Parallel Works

Junior HPC Systems Engineer

Chicago, IL · On-site +1

About the role Parallel Works is hiring a Junior HPC Systems Engineer to learn supercomputing ... Documentation and on call: keep runbooks current, and join the on call rotation once trained into ...

Orbia

Control Systems Engineer

Henry, IL · On-site

$80K - $149K/yr

Ability to address on-call requests as needed * Excellent problem-solving and troubleshooting ... programming/developing/configuring DeltaV, PLC, HMI, DCS, and SCADA software for control systems

Entegris Inc.

Senior Control Systems Engineer

Aurora, IL · On-site

$95 - $119/hr

Senior Control Systems Engineer** **The Role: Our Aurora, Illinois site is seeking a highly skilled ... Provide on-call support for assigned sites during site resource PTO periods and serve as a ...

next page

Showing results 1-20

All JobsOn Call Systems Engineer JobsOn Call Systems Engineer Jobs in Illinois

On Call Systems Engineer information

What is an on call systems engineer?

On Call Systems Engineers are IT professionals responsible for monitoring, maintaining, and troubleshooting computer systems and networks outside regular business hours. They are typically available during nights, weekends, or holidays to respond to urgent technical issues, system outages, or security incidents. Their main goal is to ensure system reliability and minimize downtime by quickly addressing and resolving problems as they arise. On Call Systems Engineers often work as part of a rotating team and must be skilled in problem-solving, communication, and various technical domains.

What are the key skills and qualifications needed to thrive as an on call systems engineer?

To thrive as an On Call Systems Engineer, you need a solid background in computer science or IT, expertise in troubleshooting, and experience with system administration. Familiarity with monitoring tools, incident management platforms, and certifications like CompTIA Network+ or Microsoft Certified: Azure Administrator Associate are commonly required. Strong problem-solving abilities, effective communication, and the capacity to remain calm under pressure are crucial soft skills. These competencies ensure rapid resolution of critical issues and reliable system uptime, minimizing business disruptions.

What are some common challenges faced by on call systems engineers, and how can they be managed effectively?

On Call Systems Engineers often deal with unpredictable schedules and the pressure of resolving critical issues quickly, sometimes outside regular business hours. Managing these challenges involves strong time management, clear communication with team members, and thorough documentation to ensure smooth handovers. Many organizations provide tools and protocols to help engineers triage and prioritize incidents, and regular post-incident reviews can support continuous improvement. Building a supportive team culture and setting clear boundaries during off-call hours are also key to maintaining work-life balance.

Are on call systems engineers in high demand?

On call systems engineers are in high demand due to the need for 24/7 system reliability in industries like IT, telecommunications, and data centers. Employers seek candidates with strong troubleshooting skills, knowledge of networking, and experience with monitoring tools, often requiring certifications such as CompTIA or Cisco. The role's demand is expected to grow as technology reliance increases across sectors.

What are the most commonly searched types of Systems Engineer jobs in Illinois?

The most popular types of Systems Engineer jobs in Illinois are:

What cities in Illinois are hiring for On Call Systems Engineer jobs?

Cities in Illinois with the most On Call Systems Engineer job openings:

On Call Systems Engineer jobs near you

Systems Engineer

SAIC

Scott Air Force Base, IL • On-site

$40K - $80K/yr

Other

Posted 21 days ago

SAIC rating

7.9

Company rating: 7.9 out of 10

Based on 79 frontline employees who took The Breakroom Quiz

79th of 224 rated it services

Job description

Job ID: 2615080
Location: Scott Afb, IL, US
Date Posted: 2026-07-29
Category: Information Technology
Subcategory: IT Systems Engineer
Schedule: Full-Time
Shift: Day Job
Travel: No
Minimum Clearance Required: Secret
Clearance Level Must Be Able to Obtain: None
Potential for Remote Work: ORA_ON_SITE
Description
SAIC is seeking a System Engineer to support an IT Service Management effort for USTRANSCOM located at Scott Air Force Base (AFB) in Illinois. The USTC Managed Information Technology Services (MITS) contract is intended to provide strategic, technical, and program management guidance and support services to facilitate the operations and modernization of the combatant command's infrastructure, systems, and applications. This support will be provided to the USTC Command, Control, Communications & Cyber Systems Directorate (TCJ6).
The successful candidate will system engineering work to maintain, configure, and reliably operate network servers, server virtualization systems, laptops, desktops, VDI, and supporting software/hardware.
Responsibilities:
  • Managing and monitoring all installed systems and infrastructure
  • Installing, configuring, testing, and maintaining operating systems, application software and system management tools
  • Proactively ensure the highest levels of systems and infrastructure availability
  • Monitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes
  • Maintain security, backup, and redundancy strategies
  • Participate in the design of information and operational support systems
  • Provide 2nd and 3rd level support
  • Liaise with vendors and other IT personnel for problem resolution
  • System vulnerability remediation and reporting
  • System configuration and compliance
  • Proven working experience in installing, configuring, and troubleshooting UNIX/Linux/RedHat based environments

This position is for Monday through Friday, normal business hours. However, employee may be required to provide after-hours and weekend support during planned or emergency events.
Qualifications
Required Qualifications:
  • BA/BS and four (4) years or more experience
  • DoD Secret Clearance
  • One of these IAT Level II certifications: Security+ CE, CySA+ **, GICSP, GSEC, CND, SSCP
  • A Computing Environment (CE) certification or certificate for the technical area of responsibility in either Network support/defense (e.g., Splunk, Cisco, McAfee, etc.) OR (e.g., Microsoft, Linux, Solaris, etc.)
  • Must possess competencies in installation, service design, and support in an environment that uses Microsoft Windows Server 2012/2016
  • Experience with Azure or AWS Cloud Environments
  • Experience with Linux
  • Experience with production environments
  • Must be able to work independently and as part of a team
  • Must be available to participate in on-call work on a reoccurring basis
  • Solid troubleshooting skills and demonstrated ability of end-to-end problem management and ownership
  • Excellent written and oral communication skills
  • Working knowledge of authentication functions and protocols such as LDAP, Kerberos, and Active Directory
  • Conceptual knowledge of Storage systems (SAN/NAS)
  • Any of the following IT certifications are also desirable for this position: MCP, CompTIA A+ / Network+ / Security+, AWS, Azure

Desired Qualifications:
  • MA/MS
  • Six (6) or more years of experience
  • DoD TS/SCI clearance
  • ITIL V4 Foundations certification

Target salary range: $40,001 - $80,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.
SAIC is a premier technology integrator providing full life cycle services and solutions in the technical, engineering, intelligence, and enterprise information technology markets. SAIC is Redefining Ingenuity through its deep customer and domain knowledge to enable the delivery of systems engineering and integration offerings for large, complex projects. SAIC's approximately 15,000 employees are driven by integrity and mission focus to serve customers in the U.S. federal government. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $4.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see .

What SAIC employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply