Systems Administration Senior Specialist UNIX/Linux/Windows

Infrastructure Technology Systems Analyst

L3 Linux SA & L3 Windows SA

Who are we?

Citi Technology Infrastructure (CTI) provides the products and services that enable Citi's workforce, along with many of the financial solutions that Citi's customers rely on. We provide the critical technical foundation for Citi's operations through the infrastructure that runs business and general user computing services. We do this by working as one-team to deliver high quality, reliable and modern infrastructure technologies at the right cost. We drive to optimize the functionality and capability of the infrastructure technologies.

Services functions are responsible for the end-to-end service ownership for their domain, including the total cost of ownership, service quality and responsiveness. Team members within the Services functions will engineer and certify platform builds and capabilities, oversee execution of builds, and break/fix where scripting and automation are not possible. They will manage problems, service improvements and continuity of business/resiliency testing and non-routine move, add and change activities for their service domain.

Technical Architecture, Development & Planning. The Technical Architecture, Development & Planning team is responsible for enterprise-wide developer tools and automation capabilities, the engineering lifecycle, core product management processes, the Enterprise Analytics Portal (EAP) and defining the strategy around our next generation capabilities.

In CTI, we are focused on delivering the best for our clients, and we know that to do this we need a talented team with diverse experiences, backgrounds and skills.

Role Description

The role of an Infrastructure Technology System Analyst within the High Frequency Trading environment is responsible for activities relating to the implementing, maintenance and migration of platforms which are uniquely configured in support of the High Frequency Markets and Trading applications. You will have the opportunity to work with our global internal and external partners to drive future improvements in the performance of our technology infrastructure platforms, ensuring that we are increasing the reliability and optimizing its capacity. The overall objective is to assist with infrastructure migrations to build a secure, stable and efficient operating environment for our business to function and grow.

Key Responsibilities

Provide sound understanding of technology infrastructure concepts and principles to provide support to supported platforms and sectors within technical domain.

Apply basic understanding of how multiple areas collectively integrate within technology infrastructure to support the operations environment.

Build, configure and tune servers as per the application requirement

Review requirement documents, define hardware requirements and update processes and procedures as necessary.

Co-ordinate with various teams to resolve issues and deliver project on time.

Provide Root Cause Analysis (RCA) post restoration of service.

Design testing approaches, complex processes, reporting streams, and assist with the automation of repetitive tasks.

Ensure ongoing compliance with regulatory requirements.

Willing to work after hours and weekends or be on-call if needed

Conduct project related research

Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Handle issues and escalations, as well as resolve production problems, reporting to management on status and technical matters.

Plan and implement improved processes, backup and recovery plans, and uniform methodologies and standards

Stakeholder Management and People Responsibilities

Work effectively with virtual and remote team members exercising critical thinking to resolve issues and presenting technical findings accurately to internal customers and leadership.

Act as a liaison between various CTI businesses providing direction and support to resolve issues in a timely manner.

Directly impact the business by ensuring the quality of work provided by self and others; impacts own team and closely related work teams by providing mentoring and training to junior members of the team.

Actively contribute towards self-development by creating and following development plans based on discussions with management.

Core Role Competencies

Technical Knowledge: Has a recognizable area of technical competence. Familiar with appropriate standards. Applies subject domain knowledge to meet organizational need/guide actions. Keeps up with current and possible future technological developments in the field.

Processes/ Procedures: Ensures processes and procedures are in place for self and others to use. Seeks ways to improve existing processes, making adjustments or recommending reengineering improvements.

Customer and Industry Knowledge: Consistently applies a business driver and marketplace focus when prioritizing actions.

Risk Management: Examines and defines factors that could adversely affect task completion, delivery or achievement of customer satisfaction. Evaluates controls to help mitigate negative outcomes through prevention, detection and correction. Identifies the risks of negative outcomes, including inadvertent error or fraud. Ensures ongoing compliance with regulatory requirements.

Stakeholder Management: Identifies key partners and their influence, implements techniques for communicating/engaging and managing expectations. Has frequent interactions. Finds the appropriate balance of completing claims by various groups of stakeholders, acting fairly and in consideration of cultural and ethical factors.

Client Centricity: Uses insights from customer relationships to anticipate their needs and provide services beyond their expectations. Actively seeks information to understand client issues, expectations, and needs.

Problem Solving and Decision Making: Makes sound decisions. Considers relevant factors and uses appropriate decision-making criteria and principles. When making decisions, uses a mix of analysis, wisdom, experience and discernment. Assesses business needs, anticipates problems. Works independently and is self-directed.

Technical Skills

·         RHEL 7/8 CoreOS, Windows Operating Systems and Openshift.

·         Active Directory, KDC and Domain Services (AD, DNS), FTP, Data Protection (Netbackup), Clustering (Veritas)

·         Virtualization environment based on VMware, OpenShift

·         x86 server hardware Dell \ HP \ Lenovo, Solarflare, SSD and FPGA

·         Be able to create simple automation scripts using PowerShell or other scripting language like VBS, Python, Bash, etc.

·         Network protocols and tools used to troubleshoot issues

·         Familiar with Sysinternals and tools that allow deep system/process troubleshooting

·         Good to have and a willingness to learn Microsemi, Ansible, VMware, Windows RDS, Centrify, IBM BigFix, Ansible, PTP\NTP, Splunk, ePo, SCCM, Twistlock, Crowdstrike, SCOM, Dell, ITC, Lenovo, HP \ DELL \ Lenovo servers, and EMC \NetApp storage

Skills / Experience Levels

·         Ability to work with virtual / in-person teams, and work under pressure / to a deadline

You have good communication skills with the ability to articulate clearly in high stress situations.

You work independently and are self-directed.

You are a detail oriented and perseverant individual.

You have a positive attitude with the drive to get the work done.

You enjoy collaborating and working as part of a cross discipline team.

You’re a self-starter with good problem-solving skills, and you continuously look for ways to improve things.

You understand the importance of prioritization of your work.

Providing a great experience to the users of your platform is important to you.

You have skills and proficiency with MS PowerPoint, Excel, Access or other analytical tools.

You have a Bachelor’s degree (Computer Science or Engineering degree preferred) or equivalent work experience.

6+ years of experience

Anticipated shifts (during migration)

Thu 9AM - 5PM

Fri 4PM - 12PM / 8PM - 6AM (Sat)

Sat 6AM - 9PM

Sun 9AM - 5PM

Mon 9AM - 5PM