UNIX/LINUX SYSTEM ADMINISTRATOR

Job DescriptionAPPLICANTS MUST BE PERMANENT IN THE COMPUTER ASSOCIATE (SOFTWARE) CIVIL SERVICE TITLE.The Department of Social Services (DSS) is comprised of the administrative units of the New York City Human Resources Administration (HRA) and the Department of Homeless Services (DHS). HRA is dedicated to fighting poverty and income inequality by providing New Yorkers in need with essential benefits such as Food Assistance and Emergency Rental Assistance. DHS is committed to preventing and addressing homelessness in New York City by employing a variety of innovative strategies to help families and individuals successfully exit shelter and return to self-sufficiency as quickly as possible.Information Technology Services (ITS) is DSSs technology services organization. ITS mission is to support the daily, emergent, and long-term needs of both agencies. ITS creates and enhances the technology infrastructure and computer applications that support HRA and DHS and develops applications, including a variety of client eligibility and recertification systems, case management systems, housing systems, employment/work engagement services, revenue producing computer matches, claiming systems, and personnel systems.Information Technology Services (ITS)/Office of Enterprise Networking Technology/UNIX Infrastructure is recruiting for one (1) Computer Associate (Software) III, to function as an UNIX/LINUX System Administrator, who will:- Work on daily UNIX/Linux Infrastructure requests from HRA DSS/DHS users through the agencysService Now system; review the requests and incidents tickets within the UNIX Infrastructure groupas well as with the users; attend the Service Now conferences for the requests approval andimplement the changes after they have been approved. Review daily Enterprise Server activityreports.- Monitor and maintain the health of 800+ large-scale enterprise servers including Solaris LDOMs,Zones, Power LPARs, Red Hat Enterprise Virtual servers, and Oracle/IBM hardware appliance,AWS EC2 instances, KVM, OpenShift, Kubernetes, container environments. Setup system policiesfor server hardware and software configuration on UNIX/Linux servers and AWS instances.- Troubleshoot hardware failures, operating system errors, network connection issues, databaseerrors, application errors, security issues, write scripts for system automation, work with variousapplication groups, other system administrators, and hardware/software vendors to resolve serverissues, replace defected devices for the entire enterprise server infrastructure.- Perform the installation, configuration, implementation and upgrade of hardware and software inthe UNIX/Linux/AWS/Azure/container environments.- Perform the tuning based on observability tools such as AppDynamics, Splunk, Pager Duty, andTurbonomics.- Participate in the evaluation, design, and planning of modernized datacenter solutions on-prem andin cloud environment.Hours/Shift:Normal Business HoursQualifications1. A baccalaureate degree from an accredited college including or supplemented by 24 semester credits in computer science or a related computer field and one year of satisfactory full-time computer software experience in computer systems development and analysis, applications programming, database administration, maintenance and support, systems programming, data communications, mainframe development, mobile development, web development and design; or2. A four-year high school diploma or its educational equivalent and five years of satisfactory full-time computer software experience as described in "1" above; or3. Education and or/or experience equivalent to "1" or "2" above. College education may be substituted for up to two years of the required experience in "2" above on the basis that 60 semester credits from an accredited college is equated to one year of experience. In addition, 24 semester credits from an accredited college or graduate school in computer science or a related field, or a certificate of at least 625 hours in computer programming from an accredited technical school (post high school), may be substituted for one year of experience. However, all candidates must have at least a four-year high school diploma or its educational equivalent and at least one year of satisfactory full-time experience as described in "1" above.Additional InformationThe City of New York is an inclusive equal opportunity employer committed to recruiting and retaining a diverse workforce and providing a work environment that is free from discrimination and harassment based upon any legally protected status or protected characteristic, including but not limited to an individual's sex, race, color, ethnicity, national origin, age, religion, disability, sexual orientation, veteran status, gender identity, or pregnancy.