Systems Administrator
Socket.dev
Position Summary The Systems Administrator is responsible for the administration, maintenance, support, and continuous improvement of the organization\'s enterprise infrastructure. This role provides technical expertise across servers, virtualization, storage, identity management, and Microsoft cloud technologies while ensuring the stability, security, and performance of critical business systems. The ideal candidate possesses 5+ years of direct systems administration experience and demonstrates effective communication skills, a customer-service mindset, forward-thinking problem-solving abilities, and a passion for continuous improvement. This individual will serve as a technical leader within the IT Operations team, driving modernization initiatives and partnering across the business to deliver reliable, scalable, and secure technology solutions. Responsibilities Infrastructure Administration – Administer and support Microsoft Windows Server environments; manage Active Directory, Group Policy,
DNS, DHCP
, and related domain services; maintain enterprise virtualization platforms (e.g., VMware vSphere); monitor and optimize server performance, availability, and capacity planning; implement and maintain disaster recovery and business continuity solutions; perform system upgrades, patch management, and technology lifecycle management. Microsoft 365 Cloud Administration – Administer Microsoft 365 services including Exchange Online, Teams, SharePoint, and OneDrive; support Microsoft Entra ID administration, identity governance, conditional access, and authentication technologies; participate in cloud adoption and modernization initiatives; manage user provisioning, licensing, security policies, and role-based access controls. Storage Administration – Administer and support enterprise storage environments including Pure Storage platforms; monitor storage health, performance, replication, and capacity utilization; develop and execute storage improvement and optimization strategies. Security & Compliance – Maintain system security configurations and assist with cybersecurity initiatives; support vulnerability remediation efforts and security hardening activities; participate in security audits, compliance assessments, and incident response efforts; ensure adherence to IT governance, policies, and standards. Project Delivery & Continuous Improvement – Lead or participate in infrastructure projects such as migrations, upgrades, consolidations, and system deployments; evaluate emerging technologies and recommend improvements that increase reliability, security, efficiency, and business value; identify opportunities for automation and process optimization; document technical procedures, architecture, standards, and support knowledge. Operational Support – Serve as a Tier III escalation point for complex infrastructure issues; collaborate with help desk, network, security, and application teams to resolve incidents and prevent recurring issues; participate in on-call support and after-hours maintenance activities as required. Qualifications Education Bachelor\'s Degree in Computer Science, Information Systems, or a related field (preferred). Equivalent combination of education and relevant experience will be considered. Experience Minimum of 7 years of progressive experience in Systems Administration or Infrastructure Engineering. Experience supporting enterprise environments with multiple locations and diverse business operations. Technical Skills Experience with any combination of the following technologies: VMware vSphere Microsoft 365 Administration Microsoft Entra ID Windows Server Administration Active Directory / Group Policy DNS, DHCP Pure Storage Microsoft Azure Services Backup and Disaster Recovery Solutions PowerShell Scripting and Automation Endpoint Management Platforms Other Skills Strong communication and interpersonal skills with the ability to collaborate across technical and non-technical teams and build trusted relationships throughout the organization. Forward-thinking and strategic mindset with the ability to anticipate infrastructure needs, evaluate emerging technologies, and recommend solutions that support business objectives. Continuous improvement mentality with a focus on reliability, security, automation, and service delivery. Exceptional problem-solving and analytical skills to identify root causes, develop effective solutions, and drive issues to resolution. Ownership and accountability in managing critical systems, projects, and operational responsibilities while maintaining quality and reliability. Customer-focused approach with a commitment to delivering excellent service and maintaining positive relationships with internal stakeholders. Strong organizational and time management skills to manage multiple priorities in a fast-paced environment. Collaborative attitude with a willingness to share knowledge and mentor peers. EEO, Accessibility, and Legal Notices Silgan is an Equal Opportunity Employer. We consider applicants for all positions without regard to race, color, religion, sex, national origin, age, marital status, or the presence of a disability, which would not prevent the performance of essential job duties with, or without reasonable accommodation of any other protective status. Silgan is a drug-free workplace. The above job description is meant to describe the general nature and level of work being performed; it is not intended to be construed as an exhaustive list of all responsibilities, duties and skills required for the position. All job requirements are subject to modification to reasonably accommodate individuals with disabilities. Employment is always subject to Silgan\'s rights as employer, including the right to end employment in accordance with Provincial Law. #J-18808-Ljbffr Socket.dev- ...Job Description Job Description Description: Job Title: System Administrator Department: Information Technology Reports To: IT Infrastructure & Security Manager FLSA Status: Exempt Travel: up to 10% Job Summary The System Administrator role...SuggestedWork experience placementWork at officeRemote workFlexible hours
- The Systems Administrator, IT Operations is responsible for the administration, maintenance, support, and continuous improvement of the organization's enterprise infrastructure. This role provides technical expertise across servers, virtualization, storage, identity management...Suggested
- Systems Administrator page is loaded## Systems Administratorremote type: On Sitelocations: Chesterfield, Missouritime type: Full timeposted on: Posted Todayjob requisition id: R6803**Responsibilities:*** **Endpoint Management:** Oversee endpoint devices' deployment, configuration...Suggested
- System Administrator II / III - Hybrid - Chesterfield, MO (St. Louis) Location: 1 Headquarters, Experitec, Inc. St. Louis, MO Job Code: 791 # of Openings: 1 At Experitec, you will maintain and enhance enterprise infrastructure, serving as a senior technical resource...SuggestedH1bWork at officeRemote workMonday to FridayFlexible hoursNight shift2 days per week3 days per week
$105.4k - $124k
...located in the United States and certain U.S. territories. The E-Verify program is an Internet-based employment eligibility verification system operated by the U.S. Citizenship and Immigration Services. Learn more about the E-Verify program.The salary range reflects figures...SuggestedFull timeLocal area3 days per week- Experitec, Inc. in Chesterfield, MO is seeking a System Administrator II/III to maintain and enhance our enterprise infrastructure. You will manage Windows and Linux servers, Active Directory, Azure AD, and Office 365, and lead initiatives to ensure secure, reliable operations...Work at office
- Silgan Containers is seeking an experienced Systems Administrator to maintain and advance our enterprise IT infrastructure in a multi-location environment. The role focuses on Windows Server, Active Directory, virtualization, cloud services, storage, and security, with...
- A leading packaging company in Chesterfield is seeking a Systems Administrator to oversee endpoint management, systems administration, and network management. Responsibilities include maintaining security and performance of IT systems, mentoring IT staff, and managing various...Full time
- Silgan Plastics is seeking a Systems Administrator in Missouri to manage enterprise infrastructure, including Windows servers, virtualization, storage, and cloud services. The role emphasizes stability, security, and performance of critical business systems. The ideal candidate...
$95k - $105k
...in Nashville, TN and has branches in Granite City, IL, Chesterfield, MO and Charlotte, NC. Our ideal candidate for a Service Systems Administrator will have 1-3+ years of experience in a purchasing or accounting role. This candidate will be responsible for the...Work at office- A dynamic business support service firm in Chesterfield, MO is seeking a qualified Service Systems Administrator to optimize Trimble Viewpoint Field Service and BuildOps systems. The ideal candidate will have 1-3+ years of experience and a strong understanding of service...
- ...Position Title: IT Systems Administrator Department: Information Technology Location: Fenton, MO Reports To: IT Director Classification: Salary -Exempt Position Summary: Control Devices is seeking an experienced Systems Administrator to own and maintain...Casual workWork at officeLocal areaRemote work
$96k - $144k
...experiences through innovation and sustainability. Global IT Endpoint Administrator Position Overview The Global IT Endpoint Administrator is... ...alignment and integration of MDM solutions with other IT systems and services. Research and evaluate new MDM features, tools,...Work experience placementWork at officeLocal area$60k - $85k
...outstanding benefits, and meaningful growth opportunities. About the Role We are seeking a highly skilled and motivated System Administrator to join our IT Operations team at our Earth City, MO headquarters. This is a 100% on-premise position, ideal for a hands-on...Temporary workMonday to FridayShift workNight shift$110k - $120k
...based on your skills and experience — talk with your recruiter to learn more. Base pay range $110,000.00/yr - $120,000.00/yr System Administrator: Establish and manage the technology infrastructure that supports business operations (hardware, networks, operating systems...Full time$75.2k - $131.7k
...purposeful work and meaningful impact every day. Learn more about what makes us different and how you can make your mark as a Database Administrator at MMA. Marsh McLennan Agency (MMA) provides business insurance, employee health & benefits, retirement, and private client...Minimum wagePermanent employmentLocal areaRemote workNight shift$76.65k
...SQL Database, Oracle Applications, VM Ware, Unix AIX, PL/SQL, SQL, Performance tuning, Unix shell scripting, SQL Server & Unix Administration, Informatica Data Transformation & PowerCenter, Business Objects and installing, upgrading, migrating and patching on RAC, Standalone...Work experience placementMonday to Friday$85k
Make a difference. As a Senior Network Services Specialist, you will maintain a highly technical inter-network of computing systems that require 24x7 operation environment. Responsibilities Design, implement, administer, and optimize enterprise firewall platforms. Design...For contractorsRemote workFlexible hoursNight shift- Junior Achievement of Greater St. Louis is seeking a Part-Time IT Administrative Support professional to help maintain office tech and administrative processes for staff and stakeholders. In-office role 20-25 hours per week; you will troubleshoot basic tech, set up equipment...Part timeWork at officeRemote workFlexible hours
- Junior Achievement of Greater St. Louis is seeking a reliable, detail-oriented Part-Time IT Administrative Support professional to join our mission-driven nonprofit. This role supports staff with IT and administrative tasks, ensuring smooth operation of technology and...Part time
- Vitesse Group, Inc. is seeking an experienced Oracle/SQL database professional in Chesterfield, MO. The role focuses on designing, developing, testing and supporting Oracle databases (10g/11g/12c) and related tools, including Informatica PowerCenter, VMware and Unix/AIX...Work experience placement
- Silgan Plastics LLC in Chesterfield, MO seeks an experienced IT Operations Director to lead endpoint, systems, and network management. You will oversee security programs, mentor staff, manage cross‑functional IT projects, and ensure reliable technology solutions for a manufacturing...
$60k - $80k
...creating a workplace for your success. Job Overview As a Systems Support Engineer at ATB Technologies, you will play a... ...related to Microsoft 365 and Entra ID (Azure AD), including administrative and configuration tasks. Hands-on experience supporting and...Full timeFlexible hours3 days per week- ...users. Position Responsibilities May Include: Manage and coordinate desktop resolutions reported through the problem tracking system. Resolve reported desktop/laptop hardware problems. Timely customer follow-up and status reports until issues/tasks are resolved...Full timeWork experience placementWork at officeWorldwide
$96k - $144k
Edgewell Personal Care is looking for a Global IT Endpoint Administrator to manage and support mobile device management (MDM) platforms, enhancing user experiences across the organization. This hybrid role involves troubleshooting, ensuring policy compliance, and participating...- ...processes, fields, page layouts, record types, dynamic layouts, apps, actions, custom settings, mobile administration, dashboards, and reports Collaborate with System Architects and Super Users Data management to improve Salesforce & Marketing Cloud data quality,...Work from home
- ...experience. Strong Understanding and knowledge of Windows operating system. Experience with Web server MS IIS/SSL required. Experience... ...maintain documentation related to technology installation, administration and maintenance. Additional Information All your information...
$105.4k - $124k
...—all from Day One.Job DescriptionU.S. Bank is seeking a z/OS Systems Programmer that has extensive experience in mainframe technologies... ...IBM MQ, and Db2 for z/OS.Advanced knowledge of RACF security administration, access controls, and compliance best practices.Proven...Full timeWork experience placementLocal area3 days per week- ...network connectivity (e.g., login issues, software errors, printing problems) Document and track issues through a help desk ticketing system, ensuring accurate records of issues and resolutions Escalate unresolved issues to higher-tier support teams (Tier 2 or Tier 3)...Work at office
- ...appropriate IT Operations staff. Endpoint, Mobile & Identity Administration Deploy, configure, and manage end-user workstations and... ..., and vendor coordination. Administer physical security systems - badge and access card issuance, door permissions, and...Full timeWork at officeRemote workFlexible hours
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