Senior Systems Network Engineer

Hertz - Bannockburn, IL3.4

General Responsibilities
The Senior Systems Engineer’s role is to ensure the stability, integrity, and efficient operation of the in-house information systems that support core organizational functions. This is achieved by monitoring, maintaining, supporting, and optimizing all networked software and associated operating systems. The Senior Systems Engineer will apply proven communication, analytical, and problem-solving skills to help identify, communicate, and resolve issues in order to maximize the benefit of IT systems investments. Works closely with project teams and developers to deliver business projects and helps manage incidents and requests from the business.

Responsible for updating servers with latest security patches and vulnerabilities during non-business hours on a rotational basis with other employees.
Deep knowledge of Microsoft Windows Server operating systems (2003 - 2016 OS) and Exchange (2010 - present) environments is required. Experience migrating legacy operating systems to newer OS.
Active Directory experience including DHCP, DNS, ADFS and WINS with multi-site replication between sites.
PowerShell and DOS Scripting experience required in order to help manage jobs.
Maintain, build and monitor Virtual Machines (VMware 5.1 and higher clusters).
Intimate knowledge of EMC SAN environments (VNX and Unity platforms).
Batch Scheduling, SFTP/FTP file transfer setup and maintenance, PGP file encryption experience required.
Experience building web servers with Tomcat and IIS.
Previous experience managing PKI and SSL Certificates a plus.
Job Scheduling experience using Tidal a plus.
Basic understanding of Java execution.
Working knowledge and experience building out environments with cloud providers such as AWS and Azure.
Experience working in SQL Server environments - Installation, configuration, Availability Group (AG), clustering, troubleshooting capabilities.
Support and maintain Data Domain and backups.
Utilize server (SCOM & SCCM) and network monitoring tools (Solar Winds) for proactive monitoring
Lead remediation efforts related to audit findings. Complete remediation efforts based on due dates
Support and maintain F5 environment.
General working knowledge of firewall concepts a plus.
Experience with Qlik automation and building out environments is a plus.
Maintain, monitor, report and remediate system compliance levels in accordance with IT general controls, IT polices, change management and system development life cycle.

Participate in 24x7 on-call support, on a rotational basis with other engineers, and have the ability to closely partner with managed services partners.
Proven experience in overseeing the design, development, and implementation of software systems, applications, and related products.
Proven experience with systems planning, security principles, and general software management best practices.
Ability to conduct research into systems issues and products as required.
Experience working and communicating directly with different levels of the organization including VPs, directors, managers and supervisors to identify businesses requirements.
Lead and support technology evaluations and provide guidance on systems and solutions.
Demonstrated ability to partner closely with 3rd parties and consultants.
Evaluate contracts and work with management, legal department and 3rd parties to change services that results in savings to Donlen.
Ability to communicate ideas in both technical and user-friendly language.
Highly self-motivated and directed, with keen attention to detail.
Proven analytical and creative problem-solving abilities.
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Preferred Requirements
Bachelor’s degree in Computer Science or Computer Engineering or equivalent work experience.

Microsoft Certified Professional (MCP) certification Required

MCSE (Microsoft Certified Solutions Expert) Preferred

AWS Certified SysOps Administrator or equivalent knowledge

ITIL Certified preferred

EEO Statement
Hertz is an equal opportunity affirmative action employer and administers all personnel practices without regard to race, color, religion, sex, age, national origin, sexual orientation, gender identity or expression, marital status or domestic partnership status, disability, protected veteran status or military status, genetic information, or any other category protected under applicable law. Hertz is committed to taking affirmative steps to promote the employment and advancement of minorities, women, persons with disabilities and protected veterans.