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Senior System Administrator
Location: Pune
Responsibility:
- Monitoring of the network, IT infrastructure and various applications to check for any new or outstanding alarms/issues.
- Troubleshooting, resolving all technical issues related to our software/networks and the range of products and services.
- Design, build & implement infrastructures for large scalable web2.0 applications & networked systems.
- Creating high level architectural design of products & systems.
- Set up monitoring, configuration management, administration & operation practices for such applications/systems.
- Planning large migrations & executing it.
- Developing better monitoring & systems management practices to maximize uptime.
- Develop/Adopt new & efficient strategies to minimize manual/repetitive work, operational costs, deployment times, response times etc.
- Troubleshooting complex systems/network issues.
- Good understanding of statistics.
- Capacity planning.
- Training & managing teams.
- Plan team to-do's/goals, product upgrades/releases.
- Documenting processes, troubleshooting information, problems and their resolutions.
- Evaluate software/hardware products (free/commercial) as per needs.
- Prepare & present proposals with respect to systems/software infrastructure.
- Research & build specifications for new products & tools.
- Acting as liaisons between junior system administrators, application administrators and software developers.
- Converting software package requirements into configuration input for the configuration management system.
- High level log analysis, performance reports, trend analysis.
- Quick in decision making and execution.
- Assist operations teams in daily operations when required.
- Assist developers in architectural and design problems.
Desirde Skills:
- Hardcore system administrator, with vast experience in Linux Guru.
- Security and uptime freak.
- A master of regular expressions and nifty one liner in sed, awk. Perl etc.
- Ability to understand and solve complex problems, and to make quick decisions.
- Ability to manage large server farms including cloud remotely and in an automated fashion.
- Strong customer service and computer skills.
- Able to manage multiple projects & prioritize diverse tasks.
- Ability to solve a problem quickly & completely.
- A solid understanding of a LINUX-based operating system; understands paging and swapping, inter-process communication, devices and what device drivers do, file system concepts, along with internal Linux hacking.
- A solid understanding of networking/distributed computing environment concepts; understands principles of routing, client/server programming & the design of consistent network-wide file system layouts.
- A deep understanding of networking and networking technologies Switches, Routers, IP routing, load balancers, failure modes & diagnostics.
- Strong DNS Concepts.
- In-depth knowledge of Apache web server and related modules like PHP, mod security, Tomcat, SSL etc.
- Reverse proxies/HTTP accelerators.
- Ability to setup and maintain High Availability Clusters and Load Balanced environment.
- In depth knowledge about Load balancing & High Availability.
- Firewalls (Iptables, BSD packet filter, other commercial etc).
- Understanding of Root kits, IDS, Firewall concepts.
- SSH, SSL, Cyphers, PGP etc.
- In-depth Knowledge of MRTG, Nagios, selinux.
- Knowledge about Linux system performance monitoring & tuning using tools like sysstat, dstat, oprofile, Frysk, SystemTap.
- Knowledge of MySQL, databases & in-depth fine-tuning procedures & advanced troubleshooting.
- Good knowledge of SQL & Databases (relational and non-relational,the ability to think in sets and graphs, performance tuning).
- Knowledge about RAID & LVM.
- Deep understanding of file systems - ext{234}, ntfs, XFS and recovery techniques.
- Knowledge of replicated & network file systems like NFS, DRBD.
- Knowledge of LDAP & Active Directory.
- Scalability (Partitioning, Coupling, Caching etc) & capacity planning concepts.
Experience:
- IT Graduate from a reputed institute with 5 to 7 years.