Office 365 Systems Administrator

Company: Addison Group
Location: Chicago
Posted on: February 1, 2025

Job Description:

Title: Sr. Systems Administrator - Office 365, Cloud (AWS), Email SystemsLocation: Remote - Chicagoland area - 3X monthly onsiteSalary: $105-110KNote: No sponsorship; must be able to pass background check.The Senior Systems Administrator manages and supports the core technology infrastructure of the organization (on-premise and cloud), including a variety of critical business systems. Partnering with the Information Technology Manager, the organization's managed service provider, and respective stakeholders, this person will ensure the core technology infrastructure meets the needs of the organization and is aligned with the strategic technology goals and priorities. This position is responsible for ensuring these core technology services are reliable and well supported. This position requires 24-hour on-call support based on a rotating schedule.ESSENTIAL FUNCTIONS:

• Manage all aspects of the organization's on-premise and cloud network infrastructure (30%)

• Switches, firewalls, and wireless networks
• Domain Name Services (DNS)
• Email reputation controls (DMARC, SPF, DKIM)
• Virtual Private Network (VPN)
• Servers (physical and virtual)
• Directory Services (Active Directory)
• Software updates, patch management and license compliance
• Network monitoring and up-time
• Power management (UPS) and environmental controls for on-premise infrastructure
• Manage, support & perform system administration on key critical business systems (30%)
  • Administration of the Office 365 and Azure AD infrastructure
  • Administration of AWS Services
  • Management of the Email defense system
  • Manage, coordinate and execute aspects of the organization's IT business continuity plans (10%)
    • Annual disaster recovery planning and testing
    • Ensuring all critical data and systems are successfully backed up on a regular basis
    • Quarterly testing of data restoration from backups
    • Management of the on-premise and cloud backup system(s)
    • Monitoring and securing the physical facilities housing the organization's on-premise technology infrastructure (the data center)
    • Ensure that the environmental conditions in the data center are maintained according to standards
    • Manage and support key elements of the organization's IT security controls (10%)
      • Management of the endpoint protection system
      • Management of the organization's patch management system
      • Management of the organization's email defense system
      • Management of the multi-factor-authentication (MFA) system
      • Deployment of security patches and software updates in accordance with the organization's vulnerability management policy
      • Ensuring all security protection services (anti-virus signature files, etc.) are kept up-to-date
      • Ensure secure hardening of network, servers and workstations
      • Implement and enforce the organization's security policies and standards
      • Security scanning for compliance (e.g., PCI Compliance, PII data)
      • Support and maintenance of the keycard security system
      • Manage all aspects of the organization's telecommunications infrastructure (10%)
        • Internet services
        • Telephone and voicemail services
        • Telecommunications equipment (phone system, handsets)
        • Mobile & Tablet devices (iPhones, iPads)
        • Working with the appropriate vendors, perform aspects of the IT procurement and asset management process (5%)
          • Purchasing IT hardware and software with the approval of the IT Manager
          • Maintaining inventory of key IT components to minimize turnaround time for replacements/additions
          • Processing, documenting, and approving vendor invoices within approval limits
          • Quality control and testing of hardware and software
          • Manage, track, and audit the organization's software licenses
          • Recommending and managing the standard hardware and software for the network, desktop, laptop, and handheld platforms
          • Perform day-to-day Help Desk support, as needed (5%)
            • Answering the Help Desk phone and monitoring the Help Desk mailbox
            • Processing and resolving Help Desk support requests
            • Coordinate end user training for staff including new hire orientation
            • Performing administrative functions on a variety of platforms
            • Working within established priorities, research, evaluate and recommend vendors and products to ensure that they meet the requirements of the organization
            • Working with the IT Manager, review and recommend technology use policies for the organization
            • Keep abreast of trends in technology and make recommendations as appropriate
            • Advance knowledge of security best practicesEDUCATION AND EXPERIENCE REQUIRED (an equivalent amount of training, education and experience will be considered):
              • A Bachelor's degree from an accredited college or university in Information Technology or Computer Science is desired (or equivalent work experience in the Information Technology industry)Requires at least ten (10) years of overall experience in the Information Technology industry, with at least five (5) years of that time involving hands-on experience with:
                • Management and design of local area networks, hardware and software
                • Management of servers (virtual and physical)
                • Telecommunication systems
                • Office automation and processing
                • Desktop hardware and software support
                • Business continuity
                • Security and Compliance (PCI/PII/GDPR)KNOWLEDGE, SKILLS AND ABILITIES including competencies that may be representative but not all inclusive of those commonly associated with this position:
                  • Must be able to support the following platforms and technologies:
                  • Microsoft platforms
                    • Advanced knowledge of Windows Operating Systems (Windows 10/11 and Server 2016, 2019 and 2022)
                    • Advanced knowledge of Microsoft Office 365 and Azure Administration in a Hybrid environment
                    • Office 365 Applications
                    • Active Directory Services (GPO, LDAP, DNS, DHCP, Certificates)
                    • Amazon Cloud Web Services (AWS)
                      • Knowledge in Compute, Networking, Workspaces and Storage
                      • Knowledge with AWS Management Console
                      • VMWare (ESXi, vCenter and VxRail)
                      • Manage Engine Desktop Central & Service Desk Plus
                      • Adobe Cloud platforms
                      • Aruba switches and wireless access points
                      • 8 x 8 phone systems
                      • Fortinet firewall and VPN
                      • CrowdStrike (Anti-virus/Malware/Spyware)
                      • Tenable (Cyber security)
                      • Proofpoint (email security)
                      • Veeam Backup and Replication
                      • HP, Xerox and Canon printers, copiers and scanners
                      • Knowledge in deploying, managing, securing and operating workloads.
                      • Apple and Android platforms:
                        • Apple MAC (hardware and software)
                        • Android devices
                        • Apple iPads/iPhones
                        • The ability to demonstrate consistent and exceptional customer service.
                        • The ability to communicate effectively and persuasively at all levels of the organization - both orally and in writing.
                        • The ability to manage multiple projects and prioritize tasks effectively.
                        • The ability to determine the best technology approach for complex tasks.
                        • The ability to multi-task, adhere to firm deadlines, and develop complete project schedules.
                        • The ability to build rapport, resolve conflict and create consensus among a diverse group of stakeholders.Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.
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Keywords: Addison Group, West Allis , Office 365 Systems Administrator, IT / Software / Systems , Chicago, Wisconsin