• Competitive
  • Singapore
  • Permanent, Full time
  • Citibank NA
  • 2018-05-22

Cryptography / PKI Security Operations Analyst

Cryptography / PKI Security Operations Analyst

  • Primary Location: Singapore,Singapore,Singapore
  • Education: Bachelor's Degree
  • Job Function: Technology
  • Schedule: Full-time
  • Shift: Day Job
  • Employee Status: Regular
  • Travel Time: No
  • Job ID: 17082375


Citi, the leading global financial services company, has some 200 million customer accounts and does business in more than 100 countries, providing consumers, corporations, governments and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, and wealth management. Additional information may be found at www.citigroup.com or www.citi.com .
  • Cyber Security & Networks Operations is seeking a highly motivated candidate for the position of Senior Technology Analyst for providing L3 support for the Security Infrastructure
  • He/she will be expected to oversee the Infrastructure projects, Security assessment, transition of Infrastructure and tools under global operational model, manage the production problems, root cause analysis/resolution for system issues, defects, and minor enhancements, supporting project transition, operations, and technology
  • This candidate should be a technical leader with excellent communication skills and in-depth background in UNIX & Wintel technologies
  • Candidate is expected to have a firm grasp of system administration, network protocols, networking issues and solutions, system monitoring, databases, and storage
  • The candidate may act as a member of quick-response project task-support team and will often work under demanding deadlines, operating as team member as well as independently to resolve complex problems


  • Proficiency in Shell, Perl & PowerShell scripting Java, VB & batch scripting will be considered a plus
  • Solid experience working with Red Hat Enterprise Linux 6 & 7, Microsoft Windows Server 2012
  • Very good understanding of PKI concepts and standards including but not limited to X509, CRL, FIPS, various cryptographic algorithms including Suite B and hashing types
  • Experience with Entrust (including Toolkit), Microsoft & Symantec PKI
  • Experience with Oracle, MS SQL & PostgreSQL RDBMS from application programming perspective Good knowledge on how to interface with these databases, analyze & write complex queries, stored procedures & SQL scripts
  • OpenSSH and Tectia SSH - solid experience with how this is setup and public key authentication
  • Web Server experience with IIS, NGINX, Apache HTTP Server
  • Experience with protocols like TLS, TCP/IP, UDB, OCSP, COM/DCOM/RPC, LDAP, SMB/CIFS/Samba
  • Apache Cassandra Experience with any other NoSQL databases will also be considered
  • Good understanding of virtualization technologies and various Hypervisors including but not limited to VMware ESXi and guest VMs, LDOMs, LPARs
  • Experience with various storage types & technologies like JBOD, NAS, SAN
  • Solid understanding of key network concepts like DNS, OSI model
  • Microsoft Active Directory
Good to Have
  • Certifications (CISSP, CCNA/CCNP, CEH, Redhat, Solaris, MCSE)
  • Ionic Security
  • Protegrity
  • Venafi TPP (Trust Protection Platform)
  • SafeNet LunaSA HSM
  • Hands on experience with web services and associated frameworks like SOAP, REST, and WCF
  • Knowledge of Security tools and hands-on experience with some of the following technologies is an added advantage:
  • CA Workload Automation AE/Autosys
  • Microsoft SharePoint
  • Some experience on utilizing monitoring tools like IBM Tivoli, HP SiteScope
  • Security Infrastructure technologies Such as CiscoSecure, Token Technologies,  Powerbroker, Unix Security tools, Kerberos, Directory Server
  • Application Servers (WebLogic, WebSphere & CE)
  • Databases (Sybase ASE including OC/OS SDK, MySQL)
  • Understanding of Programming languages (Core Java, C/C++)
  • Thorough understanding of security, network architectures and protocols
  • Familiarity of Compliance and risk management frameworks and methodologies (ISO27002, SDLC)
Non-Technical Skills Required:
  • Strong customer and quality-focus is a must
  • Sound problem resolution, judgment, and decision-making skills required
  • Excellent organizational, interpersonal, and project management skills
  • Excellent communication skills both written and oral
  • Ability to work well individually and as part of a team
Key Responsibilities:
  • Provide Technical Application SME support for the Security Infrastructure and Applications
  • Production and UAT Environment setup
  • Capacity, Performance and Stability reporting and Management
  • Lead initiative to develop/improve scripts and other programs for system monitoring and maintenance
  • Provide Technical Mentoring
  • Lead Infrastructure projects and Security assessment for the infrastructure associated the applications in scope
  • Leadership Skills to Document and do knowledge transfer to other team members
  • Be responsible to assess the risk and associated impact of all operational issues and change events and react quickly to escalate to technology management in a timely manner when required
  • Work closely with the development team to ensure the operational requirements are met during the project transition
  • Continuously keep the Knowledge Share repository up to date
  • Strong interpersonal and communication skills 
  • Strong analytical skills and attention to detail
  • Ability to work across all levels of the organization
  • Proven ability to work with demanding global partners within aggressive timelines; solid problem solving, analytical and technical abilities
Singapore Singapore Singapore SG