Wintrust is a financial holding company with approximately $50 billion assets under management and traded on the NASDAQ:WTFC. Built on the "HAVE IT ALL" model, Wintrust offers sophisticated technology and resources of a large bank while focusing on providing service-based community banking to each and every customer. Wintrust operates fifteen community bank subsidiaries with over 170 banking locations in the greater Chicago and southern Wisconsin market areas. Additionally, Wintrust operates various non-bank business units including commercial and life insurance premium financing, short-term accounts receivable financing, out-sourced administrative services, mortgage origination and purchase, wealth management services and qualified intermediary services for tax-deferred exchanges.

• Designs and implements a toolset that simplifies provisioning and support of a large enterprise Red Hat Linux environment.

• Strong focus on design, build, deployment, security, system hardening and securing servers and services inside of the Corporate network, within a segmented DMZ network, or publicly exposed on the Internet (cloud / colo).
• Integrate Linux systems into Windows Active Directory and design mapping or gap matrix of Group Policy on Linux platforms to enhance standardization.
• Plans and executes major platform software and operating system upgrades and maintenance across a highly virtualized environment.
• Plans, configures and implements features on the Red Hat Linux platforms that improve availability, response time, and monitoring of key system metrics.
• Manage a Red Hat Satellite Infrastructure. This will include, but not limited to infrastructure implementation, OS installation, system upgrading, errata remediation, and post-processing tasks.
• Install new / rebuild existing physical and virtual servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements.
• Repair and recover from hardware or software failures. Coordinate and communicate with impacted end user communities.
• Monitor the current computing environment, data stores, networks, and key processes related to Linux platforms.
• Apply OS/application patches and upgrades on a regular basis and upgrade administrative tools and utilities. Configure / add new services, as necessary. Perform application and firmware updates as required.
• Perform ongoing performance, system and application tuning, hardware upgrades, and resource optimization as required. Configure CPU, memory, and disk partitions as required.
• Works closely with Application and Database teams to standardize and create deployments and continuous integration pipelines focused on automation.
• Serves as a mentor and provides guidance and training to other team members.
• Develop and maintain up-to-date installation, configuration, and security procedures and technical documentation.
• Follow policies and procedures for change and incident management.
• Excellent application integration troubleshooting skills and the ability to diagnose system problems.

• Strong customer focus and management of client expectations; ability to establish and maintain a high level of user trust and confidence in IT’s knowledge of and concern for users’ business needs. Shows signs of guiding and offering problem solving for group and peers.
• Excellent oral and written communications skills. Ability to present and explain technical information to diverse types of audiences (management, users, vendors, technical staff) in a way that establishes rapport, persuades others, and gains understanding. Ability to write clear proposals and technical documents
• Strong interpersonal skills at all levels of management and ability to motivate employees/teams to apply skills and techniques to solve dynamic problems; excellent teamwork skills
• Effectively managing small to large projects in a cross-functional environment
• Work with long-established senior and lead staff and follow up on tasks.
• Communicate technical information in a concise and articulate manner

• Support the definition and development of documentation, procedures, and standards for the Linux enterprise environment.
• Support the evaluation and recommendation of tools and new technologies for the Linux enterprise environment.
• Assist in performing impact analyses, research products, configure software, and establish standards and procedures that support the company’s Linux environment needs.
• Assist in the root cause analysis for problems and drive strong preventive actions

• Participates in the on-call production support rotation and may occasionally be required to work hours outside of the traditional work schedule.

Why join us?

• An award-winning culture! We are rated a Top Workplace by the Chicago Tribune (past 10 years) and Employee Recommended award by the Globe & Mail (past 6 years)

• Competitive pay and discretionary or incentive bonus eligible

• Comprehensive benefit package including medical, dental, vision, life, a 401k plan with a generous company match and tuition reimbursement to name a few

• Promote from within culture

Why join this team?

• This position has the opportunity to interface with and have a positive impact on multiple areas of Wintrust's business

• We hold ourselves accountable to high standards, share wins, operate ethically, and have fun

Position Overview

The Senior Systems Engineer is responsible for providing senior subject matter expertise within Linux environment. The Senior Systems Engineer’s primary responsibility is to provide Engineering and Support for all items related to the Linux platform. Other desirable skills surround OpenShift, Kubernetes, virtualization, and scripting. General duties include platform support, server builds, troubleshooting, patching, and remediating vulnerable systems, and compliance tracking/remediation. Partners with management and other engineers to provide technical support using their background to take on Senior level work assignments the team is engaged in. Works with Advanced and Lead Engineers to support the security and compliance of the environment. Strong people skills and the ability to balance a large workload are essential.

What You’ll Do

• Strong focus on infrastructure support, design, build, deployment, security, compliance, system hardening and securing servers and services inside of the corporate network, within a segmented DMZ network, or publicly exposed on the Internet (cloud / colo).

• Perform ongoing performance, system and application tuning, hardware upgrades, and resource optimization as required. Configure CPU, memory, and disk partitions as required.

• Works closely with Application and Database teams to standardize and create deployments and continuous integration pipelines focused on automation.

• Plans and executes major platform software and operating system upgrades and maintenance across a highly virtualized environment.

• Plans, configures, and implements features on the Red Hat Linux platforms that improve availability, response time, and monitoring of key system metrics.

• Install new / rebuild existing physical and virtual servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements.

• Repair and recover from hardware or software failures. Coordinate and communicate with impacted end user communities.

Qualifications

• Red Hat Enterprise Linux (RHEL): 5-8 years of experience and Red Hat Satellite (implementation & administration): 3-5 years of experience

• Shell Scripting: 3-5 years’ experience

• YUM / RPM Repository Management: 3-5 years’ experience

• Windows Active Directory Integration: 3-5 years’ experience

• Must understand PCI compliance & Audit and have Corporate Linux Administration experience

Desirable certifications for this position:

• Red Hat Certified System Administrator (RHCSA)

• Red Hat Certified Engineer (RHCE)

• Red Hat Certified Architect (RHCA)

• LPIC-1: Linux Administrator

• LPIC-2: Linux Engineer

• LPIC-3: 300: Linux Enterprise Professional Mixed Environment

• LPIC-3: 303: Linux Enterprise Professional Security

• LPIC-3: 304: Linux Enterprise Professional Virtualization and High Availability

Benefits

Medical Insurance • Dental • Vision • Life insurance • Accidental death and dismemberment • Short-term and long-term Disability Insurance • Parental Leave • Employee Assistance Program (EAP) • Traditional and Roth 401(k) with company match • Flexible Spending Account (FSA) • Employee Stock Purchase Plan at 5% discount • Critical Illness Insurance • Accident Insurance • Transportation and Commuting Benefits • Banking Benefits • Pet Insurance

#LI-Hybrid

From our first day in business, Wintrust has been proud to serve a variety of unique communities and people from all walks of life. To be Chicago’s Bank® and Wisconsin's Bank®, we need to reflect that diversity both in all the communities we serve, the people we employ, the organizations we work with, and our banking and lending practices. Wintrust Financial Corporation, including community banking and financial services subsidiaries, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity and expressions, genetic information, marital status, age, disability, or status as a covered veteran or any other characteristic protected by law.

About the Company:
Wintrust Financial