Server and Operations Infrastructure Engineer

3 weeks ago


Chicago, United States iCallidus Full time
Job DescriptionJob Description

Senior Server Operations & Infrastructure Engineer

Key Responsibilities:

  • Builds and maintains Standard Operating Procedures (SOPs), Disaster Recovery (DR) documentation, equipment and connectivity diagrams, and system documentation to include inventory of equipment, software/application license renewals, and server certificates.
  • Advises, designs, and oversees the administration of server environment. Provides administration of Windows domain infrastructure, virtualization utilizing VMWare, to include DR Test/Preparedness and server OS & application security patching.
  • Advises, develops, enhances, and mentors the management of 2-way trust Active Directory, Group Policies, DNS and DHCP. Distributed File Shares, Exchange Online/Office365, SQL Servers, SAN management, and administration.
  • Designs and controls Virtual Machine templates that can be used to rapidly deploy virtual machines on Azure VMware.
  • Mentors Systems Engineers and provide cross-training to ensure there are no single points of failure.
  • Represents team in meetings as required for areas of responsibilities.
  • Provide after-hour support as required to meet operational needs to include nights, weekends, and holidays.

Qualifications and Requirements:

  • Expert level understanding of Windows Operating System: Server 2012-R2, Server 2016 and Server 2019.
  • Expert level understanding of networking; subnetting, VLAN segmentation, and related routing and switching principles.
  • Expert level understanding of the Microsoft Windows Server environment including Azure, Active Directory Group policies, Active Directory Domain Services, Active Directory Federated Services, SFTP, Server Certificates, DHCP, and DNS.
  • Understands the Change Control process according to RRB Standards. Creates, Works, execute, and document change requests.
  • Expert level experience with the installation, configuration, and maintenance of Microsoft Windows servers running Microsoft Windows Server 2016/2019
  • Expert level experience keeping IT equipment and IT services running including troubleshooting and fixing IT enterprise issues such as Microsoft operating system, active directory, group policies, server, and hardware issues such as servers, and appliances.
  • Expert level experience with the installation, configuration, and maintenance of VMware vSphere technologies: vCenter, and ESX/ ESXi.
  • Expert level experience supporting Microsoft Azure virtual environment including installation, configuring, troubleshooting break-fix, and performing upgrades.
  • Active Public Trust Clearance preferred. Ability to obtain and maintain a Public Trust.
  • Azure Cloud Migration, ITIL Best Practice background, and experience required.

Education: Associate Degree or higher (Desired)

Certification: Microsoft Certified Systems Administrator or Microsoft Certified Solutions Expert or Specialized Certification in VMWare and MCSA (Required).

Azure Infra Admin – Advanced Certification or Azure Solution Architect Intermediate (Preferred)

Equinix Certification is a major plus.

EEO Statement

iCallidus is an Equal Opportunity/Affirmative Action Employer. We do not unlawfully discriminate based on race, color, religion, age, sex, creed, national origin, ancestry, citizenship status, marital or domestic or civil union status, familial status, affectional or sexual orientation, gender identity or expression, genetics, disability, military eligibility or veteran status, or any other protected status.



  • Chicago, United States vTech Solution Full time

    Job Description : The Server Operations & Infrastructure SME shall have the following qualifications and demonstrated experience: Expert level understanding of Windows Operating System: Server 2012-R2, Server 2016 and Server 2019. Expert level understanding of networking; subnetting, VLAN segmentation, and related routing and switching principles. ...


  • Chicago, United States LaSalle Network Full time

    LaSalle Network has partnered with a mid-size insurance company based in downtown Chicago that is looking for a Senior Infrastructure Engineer to join the team. The team is a small, tight-knit group and this role will be a jack of all trades that oversees both the infrastructure as well as network and server security. This role is hybrid and requires the...


  • Chicago, United States Avalign Technologies Full time

    Sr. IT Infrastructure Administrator or IT Infrastructure Engineer Avalign produces innovative, high-performance, and cost-effective medical devices with a particular focus on high growth and ingenuity. Our team is growing quickly and proud of the fact that our custom-made devices continue to make a huge difference in the lives of medical professionals and...

  • Software Engineer

    4 weeks ago


    Chicago, United States Optiver Full time

    Optiver is a tech-driven trading firm and leading global market maker. As one of the oldest market making institutions, we are a trusted partner of 70+ exchanges across the globe. Our mission is to constantly improve the market by injecting liquidity, providing accurate pricing, increasing transparency and acting as a stabilizing force no matter the market...


  • Chicago, United States LaSalle Network Full time

    LaSalle Network has partnered with a mid-size insurance company based in downtown Chicago that is looking for a Senior Infrastructure Engineer to join the team. The team is a small, tight-knit group and this role will be a jack of all trades that oversees both the infrastructure as well as network and server security. This role is hybrid and requires the...


  • Chicago, United States LaSalle Network Full time

    LaSalle Network has partnered with a mid-size insurance company based in downtown Chicago that is looking for a Senior Infrastructure Engineer to join the team. The team is a small, tight-knit group and this role will be a jack of all trades that oversees both the infrastructure as well as network and server security. This role is hybrid and requires the...


  • Chicago, United States LaSalle Network Full time

    LaSalle Network has partnered with a mid-size insurance company based in downtown Chicago that is looking for a Senior Infrastructure Engineer to join the team. The team is a small, tight-knit group and this role will be a jack of all trades that oversees both the infrastructure as well as network and server security. This role is hybrid and requires the...


  • Chicago, United States LaSalle Network Full time

    LaSalle Network has partnered with a mid-size insurance company based in downtown Chicago that is looking for a Senior Infrastructure Engineer to join the team. The team is a small, tight-knit group and this role will be a jack of all trades that oversees both the infrastructure as well as network and server security. This role is hybrid and requires the...


  • Chicago, United States LaSalle Network Full time

    LaSalle Network has partnered with a mid-size insurance company based in downtown Chicago that is looking for a Senior Infrastructure Engineer to join the team. The team is a small, tight-knit group and this role will be a jack of all trades that oversees both the infrastructure as well as network and server security. This role is hybrid and requires the...


  • Chicago, United States Canadian Imperial Bank of Commerce Full time

    We’re building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what’s right for our clients. At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are...


  • Chicago, United States The LaSalle Group Full time

    LaSalle Network has partnered with a mid-size insurance company based in downtown Chicago that is looking for a Senior Infrastructure Engineer to join the team. The team is a small, tight-knit group and this role will be a jack of all trades that oversees both the infrastructure as well as network and server security. This role is hybrid and requires the...


  • Chicago, Illinois, United States TransMarket Group Full time

    Who We Are Founded in 1980 as Aardvark Financial, TransMarket Group (TMG) is a privately held global markets proprietary trading firm in Chicago. We use next-generation technology to capture opportunities around the world and manage risk in financial markets. Our mission is to bless others through the services we provide and through the generous stewardship...

  • System Engineer III

    4 weeks ago


    Chicago, United States Saxon Global Full time

    Description: End to end responsibility for server operations, including OS, hardware, patching, firmware, bios, and service packs. Maintain and manage server hardware and software to ensure stability and availability 24X7X365. Ensure enterprise standards and security are maintained and enforced on hardware/software. Provide knowledge and troubleshooting...

  • System Engineer III

    3 weeks ago


    Chicago, United States Saxon Global Full time

    Description: End to end responsibility for server operations, including OS, hardware, patching, firmware, bios, and service packs. Maintain and manage server hardware and software to ensure stability and availability 24X7X365. Ensure enterprise standards and security are maintained and enforced on hardware/software. Provide knowledge and troubleshooting...


  • Chicago, United States HCSC Full time

    At HCSC, we consider our employees the cornerstone of our business and the foundation to our success. We enable employees to craft their career with curated development plans that set their learning path to a rewarding and fulfilling career. Come join us and be part of a purpose driven company who is invested in your future! Job Summary This position is...


  • Chicago, United States The Little Gym of Seattle at Maple Leaf Full time

    Spot a fraudulent website or app impersonating Optiver? Report it here. This message will disappear as you scroll or click the close icon to hide it permanently. Who we are: Optiver is a tech-driven trading firm and leading global market maker. As one of the oldest market making institutions, we are a trusted partner of 70+ exchanges across the globe. Our...


  • Chicago, United States Abacus Technology Full time

    Overview: Abacus Technology is seeking a Network Infrastructure SME to provide technical support and guidance for the Railroad Retirement Board (RRB). This is a full-time, on-site position.Responsibilities:Work in a Tier-3 Cisco network support environment (designing, documenting, and supporting the LAN/WAN networks, supporting firewalls, and supporting...


  • Chicago, United States JPMorgan Chase Bank, N.A. Full time

    You belong to the top echelon of talent in your field. At one of the world's most iconic financial institutions, where infrastructure is of paramount importance, you can play a pivotal role. Assume a vital position as a key member of a high-performing team that delivers infrastructure and performance excellence. Your role will be instrumental in shaping the...


  • Chicago, United States Optiver Full time

    Who we are: Optiver is a tech-driven trading firm and leading global market maker. As one of the oldest market making institutions, we are a trusted partner of 70+ exchanges across the globe. Our mission is to constantly improve the market by injecting liquidity, providing accurate pricing, increasing transparency and acting as a stabilising force no matter...


  • Chicago, United States Optiver Full time

    Who we are: Optiver is a tech-driven trading firm and leading global market maker. As one of the oldest market making institutions, we are a trusted partner of 70+ exchanges across the globe. Our mission is to constantly improve the market by injecting liquidity, providing accurate pricing, increasing transparency and acting as a stabilising force no matter...