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Senior Systems Engineer – Client Services (On-Site)

eciDallas, TXMay 20th, 2026
ECI is the leading global provider of managed services, cybersecurity, and business transformation for mid-market financial services organizations across the globe. From its unmatched range of services, ECI provides stability, security and improved business performance, freeing clients from technology concerns and enabling them to focus on running their businesses. More than 1,000 customers worldwide with over $3 trillion of assets under management put their trust in ECI.At ECI, we believe success is driven by passion and purpose. Our passion for technology is only surpassed by our commitment to empowering our employees around the world.This role is onsite daily in Dallas, TX or Chicago, IL.The Opportunity: We are seeking an enthusiastic, personable, and qualified Systems Engineer to join our amazing team! In this role, you will provide end-user desktop support to multiple users running Windows, Exchange and Office 365 environments.The Systems Engineer will provide desktop support and end-user server administration for all client issues while responding to Level 1 and 2 service tickets. You will work shoulder to shoulder with an awesome team and escalate all problems to the next level of support for guidance as well as contact third-party vendors for warranty service repair.What you will do:Resolve level 1 and 2 support cases and work orders associated with end-user issues, physical and cloud infrastructure, and project related tasksSee the world through the eyes of the customer by setting client expectations appropriately throughout the troubleshooting processResolve incidents and requests related to, but not limited to the following: Mail Application/Office 365 issues, Client/Server Connectivity issues, Time Sensitive and VIP Workstation incidents, File Restores, Remote Access incidents (Citrix and Terminal Services), Password Resets, Networked Printer Issues to name a fewExecute basic system maintenance including software and operating system patching, software version upgrades and critical patch applicationsProvide support of Active Directory such as add/remove users, password resets, Group Policy application, task schedulingInterface with common technology support tools such as Remote Monitoring and Management (RMM), Mobile Device Management (MDM)Occasional travel to client sites and ECI core Service RegionSupport work includes:User desktop support – Requests and IncidentsEffectively escalating to senior IT team members at Moore Walking the trading desk floor to assist traders with IT requests/issuesRCA Work when not on user support ticketsKnowledge and experience working with the above technologies and able to troubleshoot issues by reviewing/analyzing logs and event viewer processesWho you are: Excellent communication skills with a strong ability to articulate technical information to non-technical people. Jargon need not apply here!Excellent prioritization skills and an ability to see the world through the eyes of the customerBachelor’s Degree in Information Technology related system, or 3+ years of equivalent combination of technical experience and education in the following:Microsoft Office 365 (O365)Microsoft Operating Systems such as Windows Server and Windows 10/11Installing and configuring computer hardware operating systems and applicationsActive Directory including account creation, modification and password resetsMicrosoft Office products including Outlook, Excel, Word, PowerPoint and SharePointClient VPN setup and troubleshootingUnderstanding of e-mail and spam technologies, and how messaging flows through these systemsBasic understanding of cyber-security concepts and technologies, such as Multi-Factor Authentication (MFA)Hands-on hardware experience with desktops, laptops, and serversFamiliarity with file system support including permissions, sharing, backups and restoresExperience with cloud platforms such as Microsoft 365 suiteHybrid CloudAD & DCsOnline Exchange O365 and Onprem Exchange server Win10 desktops/laptopsBonus points if you have:Experience with Managed Service Providers (MSP)Experience with VM WareExperience with AzureECI’s culture is all about connection - connection with our clients, our technology and most importantly with each other. In addition to working with an amazing team around the world, ECI also offers a competitive compensation package and the range for this role is a maximum of $120,000 annually with flexible PTO, health benefit eligibility the first of the month, life insurance, pet insurance, 401K and so much more! If you believe you’d be a great fit and are ready for your best job ever, we’d like to hear from you!!Love Your Job, Share Your Technology Passion, Create Your Future Here!