Unix Senior System Administrator C12

To ensure operational excellence in the way we solution, provision, instrument, manage and continuously improve Citi’s Technology Infrastructure services. Providing support to platform/ sector-specific business teams by ensuring that the systems and production environment is optimized in accordance with the organizations standards while meeting business and country specific requirements as appropriate**Key Responsibilites****Infrastructure Operations**- To be accountable for vetting the correctness of the build architecture solution of new projects- To be accountable for technical requirements of projects lies by liaising with the sector/platform teams- To establish risk identification & mitigation planning of end to end technology solutions- To help identify risk resolutions and improvement opportunities and track them to closure through Service Improvement Plans- To promote adoption of technical / architecture standards to ensure consistency and efficiency across the organization- To ensure server availability by monitoring servers and highlighting any issues and recommending remedial actions- To understand risk exposure / situations and recommend remedial actions for issues dues to EOVS/EOL, access restrictions etc.- To drive efficiency across regions while adhering to region's (country's) data privacy laws, legal frameworks, regional practices etc.- To be accountable for root cause analysis for complex incidents- To work in tandem with other sector/Platform Managers to do RCA (Risk control assessments) & decide the resolution- To review infrastructure for Single Points of Failure (SPOF's) and escalate to correct teams- To look for capacity related incidents and bring focus to senior management- To prevent recurrence of issues by analyzing tickets, understand patterns and recommend remedial actions based on global impact of the problem- To identify processes/procedures that are not congruent with industry standards & suggest improvements.**Stakeholder Management**- To collaborate with other sector/platform managers to enable best-in-class service- To be accountable for identifying business platform/sector specific service improvement plans- To develop relationships with key internal customers to identify emerging needs**Typical Experience Levels**- 6-8 years’ experience supporting Red Hat LINUX 6 + 7- 1-3 years’ experience with Chef- Expert knowledge of TCP/IP, Unix Clustering, SAN technologies (EMC, Hitachi) and OS security.- Experience of Design, System Tuning & Performance Improvements on distributed systems.- Expert infrastructure knowledge with at least 7 years' experience in large mission-critical non-stop environments- Certification in platform technologies- Ability to effectively mentor engineers- Must be able to structure, plan and execute strategic initiatives with the right project discipline- Ability to work effectively with virtual and remote teams- Excellent troubleshooting and problem management skills in a high pressure environment..- Very strong written, spoken and presentation communication skills- Commitment to quality, attention to detail, and continuous improvement.- Experience and ease in interfacing with Senior Management and technical support teams- Platform automation hands on experience- Ability to organize and manage many varying priorities.- Ability to manage Agile methodologies.**Education / Certifications**- Bachelor degree or other equivalent qualifications- Redhat System Adminitrator enterprise Linux 7 Certification (RHSA)- **Job Family Group**:Technology- **Job Family**:Infrastructure- **Time Type**:Full time- Citi is an equal opportunity and affirmative action employer.Qualified applicants will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.View the "**EEO is the Law**" poster. View the **EEO is the Law Supplement**.View the **EEO Policy Statement**.View the **Pay Transparency Posting