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Systems Administrator Jobs in Collinsville, IL (NOW HIRING)

Systems Administrator

Saint Louis, MO · On-site

$107.36K - $182.51K/yr

As a Systems Administrator in an enterprise test organization, the incumbent will be part of a thriving dynamic team of Systems Administrators and IT professionals. The test center support team ...

The Systems Administrator II is responsible for maintaining the DataServ Software-as-a-Service (SaaS) solutions on the Amazon Web Services (AWS) platform, providing Tier 3 infrastructure and ...

JOB TITLE Systems Administrator LOCATION St. Louis, Missouri (Hybrid) HYBRID POLICY 70% On-Site 30% Work-from-Home JOB SUMMARY The Systems Administrator plays a critical role in maintaining and ...

JOB TITLE Systems Administrator LOCATION St. Louis, Missouri (Hybrid) HYBRID POLICY 70% On-Site 30% Work-from-Home JOB SUMMARY The Systems Administrator plays a critical role in maintaining and ...

We are looking for an experienced Systems Administrator to support and enhance enterprise infrastructure operations in Saint Louis, Missouri. This Contract-to-Hire position is ideal for a senior team ...

HOW A SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT The Tier 2 Desktop Support Technician provides Deskside IT Service support to the UDS End User Devices deployed at NCE. End user device equipment ...

The System Administrator for NOC/SOC Tools Support plays a crucial role in maintaining and optimizing the systems and tools used by the Network Operations Center (NOC) and Security Operations Center ...

New

G2IT is seeking a Systems Administrator - Journeyman to support client-facing strategic initiatives and ensure the seamless implementation and maintenance of automated solutions. In this role, you ...

G2IT is seeking a Systems Administrator - Journeyman to support client-facing strategic initiatives and ensure the seamless implementation and maintenance of automated solutions. In this role, you ...

We are seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to join our team in support of a Federal Intelligence Agency contract. In addition to receiving a ...

We are seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to join our team in support of a Federal Intelligence Agency contract. In addition to receiving a ...

We are seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to join our team in support of a Federal Intelligence Agency contract. In addition to receiving a ...

We are seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to join our team in support of a Federal Intelligence Agency contract. In addition to receiving a ...

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Systems Administrator information

See Collinsville, IL salary details

$38K

$82.4K

$127.5K

How much do systems administrator jobs pay per year?

As of May 28, 2026, the average yearly pay for systems administrator in Collinsville, IL is $82,433.00, according to ZipRecruiter salary data. Most workers in this role earn between $64,900.00 and $96,400.00 per year, depending on experience, location, and employer.

What Is the Job Description of a Systems Administrator?

The primary duties of a system administrator are to install, update, and maintain computer systems while managing user access regimes. As a systems administrator, you have administrative privileges to change settings, install or remove software, and access security functions unavailable to normal users. A systems administrator might oversee multiple machines at once, or even an entire network. You provide technical support to users who are experiencing problems and collaborate with network administrators to ensure the continued performance of the network. As a systems administrator, you determine the level of access a user has to network information and what operations they can perform, limiting users to only what they need to perform their job.

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

To thrive as a Systems Administrator, you need a solid understanding of operating systems, network management, and security protocols, typically supported by a relevant degree or certifications like CompTIA Network+, Microsoft Certified Solutions Associate (MCSA), or Linux+. Familiarity with tools such as Active Directory, virtualization platforms, and configuration management systems is essential. Strong problem-solving abilities, attention to detail, and effective communication skills help you respond quickly to issues and work collaboratively with IT teams. These skills and qualifications are crucial for maintaining system reliability, minimizing downtime, and ensuring secure, efficient IT operations.

What are some typical challenges a Systems Administrator faces when managing both on-premises and cloud infrastructure?

Systems Administrators often juggle responsibilities across on-premises servers and cloud-based platforms, which can introduce challenges such as ensuring seamless integration, maintaining consistent security policies, and managing access controls. Balancing updates, backups, and monitoring tools across different environments requires strong organizational skills and up-to-date technical knowledge. Effective communication with other IT team members and end users is also crucial for troubleshooting and minimizing downtime.

What are Systems Administrators?

Systems Administrators, often called SysAdmins, are IT professionals responsible for managing, maintaining, and supporting computer systems and networks within an organization. Their duties include installing hardware and software, monitoring system performance, troubleshooting technical issues, and ensuring system security and data integrity. They play a key role in minimizing downtime, performing regular backups, and updating systems to keep an organization's IT infrastructure running smoothly.

What is the difference between Systems Administrator vs Network Administrator?

AspectSystems AdministratorNetwork Administrator
CertificationsCompTIA Server+, Microsoft Certified: Windows Server FundamentalsCompTIA Network+, Cisco CCNA
Work EnvironmentManage servers, operating systems, and enterprise applicationsFocus on network infrastructure, routers, switches, and connectivity
Employer & Industry UsageIT departments across various industries, supporting internal systemsOrganizations with complex networks, telecom, and internet service providers

While both roles support IT infrastructure, Systems Administrators primarily manage servers and software systems, whereas Network Administrators focus on network hardware and connectivity. Understanding these differences helps in choosing the right career path or job focus within IT.

What are the most commonly searched types of Systems Administrator jobs in Collinsville, IL? The most popular types of Systems Administrator jobs in Collinsville, IL are:
What are popular job titles related to Systems Administrator jobs in Collinsville, IL? For Systems Administrator jobs in Collinsville, IL, the most frequently searched job titles are:
What cities near Collinsville, IL are hiring for Systems Administrator jobs? Cities near Collinsville, IL with the most Systems Administrator job openings:
Infographic showing various Systems Administrator job openings in Collinsville, IL as of May 2026, with employment types broken down into 70% Full Time, and 30% Contract. Highlights an 73% In-person, and 27% Hybrid job distribution, with an average salary of $82,433 per year, or $39.6 per hour.
Systems Administrator

Systems Administrator

BAE Systems USA

Saint Louis, MO • On-site

$107.36K - $182.51K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


BAE Systems rating

8.4

Company rating: 8.4 out of 10

Based on 142 frontline employees who took The Breakroom Quiz

5th of 46 rated military and defense


Job description

Job Description

As a Systems Administrator in an enterprise test organization, the incumbent will be part of a thriving dynamic team of Systems Administrators and IT professionals. The test center support team maintains smooth operation of multi-user computer systems, coordinates with network engineers, monitors and manages system resources, and performs systems security administration functions. To include, but not limited to, setting up administrator accounts, maintaining system documentation, tuning system performance, installing system-wide software and allocating mass storage space. Interacts with users and evaluates vendor products. The incumbent makes recommendations for hardware and software purchases, coordinates installation and provides backup recovery, develops and monitors policies and standards for allocation related to the use of computing resources, and may be assigned responsibility for less experienced staff.
Responsibilities will include:
- Maintain Active Directory Services Infrastructure
- Administer DNS, DHCP, and other Windows technologies
- Configure/troubleshoot group policies
- Maintain/tune virtualization infrastructure (VMWare)
- Maintain Windows Update Services (WSUS)
- Maintain Assured Compliance Assessment Solution (ACAS) scanning infrastructure and conduct scans when needed
- Build/maintain/tune System Center Configuration Manager (SCCM) infrastructure
- Build/maintain/tune Host Based Security System (HBSS) infrastructure
- Build/maintain/tune Microsoft Exchange Server services infrastructure
- Build workstations/servers to specification based on requirements
- Configure/maintain backend storage fabric (Netapp)
- Configure/maintain NTO networks and switch fabric
- Information systems IAVM/STIG compliance
- Install and configure COTS and GOTS software
The ideal candidate is highly technical and has a proven commitment to quality with a solid understanding of systems administration concepts, network architecture, and familiar with the latest software development methodologies, technologies and application performance analysis. The candidate must be self-motivated and be able to work on multiple projects both with other team members, and with little supervision. The candidate must have strong troubleshooting skills and the persistence to resolve issues.

Required Education, Experience, & Skills
  • Professional Experience: 5-8 years with a BS/BA or 11-14 Years with HS (including at least 5 in a recent systems administrator role)
  • Hands on experience with Network troubleshooting, DNS failures, domain administration, pings, network connectivity status’
  • Must be motivated
  • Must work with little to no supervision
  • Excellent written/verbal communication skills
  • Excellent documentation skills
  • Ability to lift up to 50-60#
  • Windows Server OS technologies
  • Windows workstation OS technologies
  • Familiarity with user/system environments and environment variables
  • Experience with automated software deployments, SCCM/MECM/PDQ Software Deployment Tool
  • Batch scripting
  • Hardware/software troubleshooting
  • Remote administration
  • License Management
  • Backup/Redundancy Management

Preferred Education, Experience, & Skills
  • Professional Experience: 3 years using PDQ and similar software deployment tools.
  • Bachelor of Science in a related field
  • Experience with Active Directory ad Group Policy
  • Experience with VMWare
  • Experience with Microsoft Exchange
  • Experience with Windows Update Services (WSUS)
  • Experience with Host-based Security Services (HBSS)
  • Experience with System Center Configuration Manager (SCCM)
  • Experience with Assured Compliance Assessment Solution (ACAS)
  • Experience with Cloud technology (AWS)
  • Experience with Linux (Red Hat)
  • Netapp and storage technologies (NAS)
  • LAN/WAN, switching technologies
  • PowerShell Scripting and automation

Pay Information
Full-Time Salary Range: $107359 - $182510
Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.
Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.
About BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference.
Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do—from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels.
This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

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