Our client, a global investment bank, is looking for an experienced Security Analyst with a deep knowledge (Level 3) in ONE of Windows, Unix, or Network.

The successful candidate will work in the L3 Platform Security Operations team, providing highest level of security consultancy and operational support of platform security infrastructure components. The role will focus on the security products and tooling utilized to manage the platform.

The role is suited to an experienced Windows, Unix, OR Network Systems Administrator / Platform Engineer with a proven understanding of enterprise platform security. An additional key component of this role is project based, with numerous activities to expand and enhance the services provided within the environment.

Core Responsibilities:
-Analysis and development of platform security initiatives
– Provide consultancy services to IT Security and other IT Security teams
– Provide architecture assurance on security platform initiatives
– Maintain security infrastructure, providing stability by following and using the tools, policies, processes and procedures available
– Provide a secure environment, managing and mitigating risks
– Resolve Incidents impacting hosts or environment and provide reporting and metrics
– Work with global colleagues to provide globally consistent processes and procedures and provide innovative ideas
– Investigate & Troubleshoot root causes when escalated from Operations
– Escalate and liaise with additional internal/external groups when required, resulting in satisfactory resolution
– Active participation within and amongst teams and colleagues, providing constructive feedback when necessary
– Regularly re-evaluate processes and procedures and Instigate service improvement initiatives
– Identify areas for automation and scripting wherever possible
– Responsibility for the planning and controlled execution of releases into the managed environment
– Input into Business Continuity Planning and Practices

Requirements:
– Proven expertise in ONE or more of the following areas:

– Windows: Expert knowledge of Windows servers, Microsoft Certificate Services, Public Key Infrastructure (PKI), IIS, Microsoft GPO, DNS / WINS, MSCS Clustering, AD, MS Exchange, MOM, Citrix, FTP, MS Terminal server, Platform build tools (eg. Altiris, Bladelogic, etc.)

– Unix: Expert knowledge of Unix-based operating systems, paging/swapping, inter-process communication, filesystem, host security experience (uids/gids, SIDs, file permissions, ACLs, filesystem integrity, use of security packages), fundamental networking (router, switches, firewall, packet, etc.)

– Network: Strong experience with firewalls (Cisco Pix, Juniper Netscreen or iptables), good understanding of Unix-based OS, distributed computing environment concepts (routing, switching, VLANs, NIS, NFS), Understanding of routing protocols (RIP, BGP, OSPF…), internet services (DNS, BIND, djbdns), IPSec, SSL VPNs

– Good interpersonal skills (communication, flexibility, ambitious, team player)
– Scripting or development skills (perl, shell, powershell, vbscript)
– Knowledge in Virtualization, VMWare, Clustering
– Endpoint protection, Anti-virus experience