Lead Infrastructure Engineer
 SEI | |
parental leave, paid time off, paid holidays, tuition reimbursement, 401(k), retirement plan
| |
 United States, Pennsylvania, Oaks | |
| 1 Freedom Valley Drive (Show on map) | |
 Jun 24, 2025 | |
|
SEI is seeking a Lead Infrastructure Engineer with a strong background in Infrastructure (Linux and Windows) Architecture, Support, Automation, Problem Solving, Project Management, Infrastructure Lifecycle management and day to day support across wide range of technologies. This is hands-on technical role and you should have strong emphasis on automating manual and repetitive tasks. What you will do: * Lead the design, implementation, and maintenanceof enterprise-level Windows Server environments (2012/2016/2019/2022). * Architect and manage Active Directory, Group Policy (GPO), DNS, DHCP, and certificate services across multiple domains and sites. * Develop and maintain automated patch management solutionsusing tools such as Microsoft Endpoint Configuration Manager (SCCM), Windows Server Update Services (WSUS), or third-party platforms (e.g., Ivanti, ManageEngine, Tanium). * Create and maintain PowerShell scriptsto automate system administration tasks, including patch deployment, compliance reporting, and system health checks. * Ensure system security and complianceby enforcing patching schedules, vulnerability remediation, and configuration baselines. * Monitor and optimize system performance, availability, and capacity planning using enterprise monitoring tools. * Lead incident response and root cause analysisfor complex system issues and outages. * Collaborate with cross-functional teamsto support infrastructure modernization, cloud integration, and DevOps initiatives. * Document architecture, procedures, and change management processesto support audits and operational continuity. * Mentor junior administratorsand provide technical leadership within the infrastructure team. * Working knowledge and experience working with Linux based OS (Redhat RHEL or Oracle Linux 7/8) * Experience using IaC and Configuration automation tools such as Ansible, Terraform. * Strong Knowledge of at least one programing language (Python, Go, Java) or Expert level in Automation via Powershell/Bash/Ansible. * Participation in regular DR exercises at secondary data center. * Managing infrastructure lifecycle Position Requirements Preferably 8 years of experience in working in production and pre-production support or management required. What we need from you: * Bachelor's Degree in Computer Science in related discipline or equivalent work experience. * A minimum of 7 years supporting multiple environments such as production, pre-production and development. * This role is a very hands-on role with shell, Python scripting and automation of Infrastructure using Ansible and Terraform. * Windows Expertise, Linux essentials, Strong Scripting and Automation required * Working experience with Git for code management and follow the DevOps principles. * Follow the infrastructure as code principal and develop an automation to daily and repeatable setup and configuration. * Install and configure Linux on UCS blades, VMware, KVM/oVirt based virtualization platforms * Bare metal installation of UCS nodes and good understanding in finding hardware related issues and work with datacenter team to address them * Good Understanding of TCP/IP stack, Network vlans, subnets and troubleshoot firewall, network issues occur in environment and work with network team to resolve them * Good understanding on SAN and NAS environment with multipath/powerpath support. * Support ORACLE Database RAC environment. * Work with L1 and L2 teams to troubleshoot an operating system and application related issues. * Manage internal SLAs to ensure the delivery, availability and management of infrastructure. * Available for on call rotation and weekend support. * Maintain automated master Linux Inventory, patch/kernel versions, etc. * Maintain OS Patch repository (Yum Repo) for cloud Linux VM's * Provide and/or Perform OS Patching and maintenance. * Provide and/or Perform System Hardening and Configuration management. * Participate and contribute to DR recovery at secondary data center * Keep security vulnerabilities under control through periodic patching and hardening process. * Design and follow systems and networking best-practices. * Demonstrate project leadership to drive projects to completion by collaborating with Middleware admins, DBA and architecture teams. * Good understanding on Public cloud like OCI, Azure or AWS. Design infrastructure across different availability zones and regions. * Working knowledge on VNETs/VPCs and access controls between different subnets. * Good understanding on Storage accounts, shared file systems in public cloud * Follow proper change control procedures for changes in environment * Understanding ITIL processes. What we would like from you: * A fast learner with ability to dive into new products and technologies, develop subject matter expertise, take ownership and drive projects to completion. * Must have strong team focus and client service work ethic. * Ability to work independently and resolve complex technical issues and identify root cause and recommend solutions to help resolve incidents quickly. * A hands-on team player with good written and verbal communication skills that can mentor other members in the production support group. * Ability to work collaboratively be able to provide direction and assistance with diagnostics and troubleshooting using critical problem-solving techniques. * Strong team focus and client service work ethic. * Someone who will embody our SEI Values of courage, integrity, collaboration, inclusion, connection and fun. SEI's competitive advantage: To help you stay energized, engaged and inspired, we offer a wide range of benefits including comprehensive care for your physical and mental well-being, a strong retirement plan, tuition reimbursement, a hybrid working environment for most roles, support for working parents and flexible Paid Time Off (PTO) so you can relax, recharge and be there for the people you care about. Benefits include healthcare (medical, dental, vision, prescription, wellness, EAP, FSA), life and disability insurance (premiums paid for base coverage), 401(k) match, education assistance, commuter benefits, up to 11 paid holidays/year, 21 days PTO/year pro-rated for new hires which increases over time, paid parental leave, back-up childcare arrangements, paid volunteer days, a discounted stock purchase plan, investment options, access to thriving employee networks and more. We are a technology and asset management company delivering on our promise of building brave futures (SM)-for our clients, our communities, and ourselves. Come build your brave future at SEI. SEI is an Equal Opportunity Employer and so much more... After over 50 years in business, SEI remains a leading global provider of investment processing, investment management, and investment operations solutions. Reflecting our experience within financial services and financial technology our offices encompass an open floor plan and numerous art installations designed to encourage innovation and creativity in our workforce. We recognize that our people are our most valuable asset and that a healthy, happy, and motivated workforce is key to our continued growth. At SEI, we're (literally) invested in your success. We offer our employees paid parental leave, back-up childcare arrangements, paid volunteer days, education assistance and access to thriving employee networks. SEI is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability status, protected veteran status, or any other characteristic protected by law. | |