Systems Administration Senior Specialist UNIX/Linux/Windows

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. 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. 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 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. 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. RHEL 7/8 CoreOS, Windows Operating Systems and Openshift. Active Directory, KDC and Domain Services (AD, DNS), FTP, Data Protection (Netbackup), Clustering (Veritas) 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 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.