check_uptime.sh

while true; do

check_uptime();

done # never stops

ON-CALL · monitoring

RAKSHASINGH

Oracle Database AdministratorLinux Systems EngineerDatabase Support Specialist

Keeping mission-critical Oracle databases alive, fast, and audit-proof — for global airlines flying millions of passengers.

// 4 yrs · 50+ servers · 99%+ uptime · zero data loss

Contact Me Resume Learn More

Years Experience

50+

Servers Decommissioned, Zero Data Loss

99%+

Uptime

Oracle DB

Linux

Servers

Storage

Performance

AWS

Oracle DB ·PL/SQL ·Linux / RHEL ·RMAN ·Bash ·AWS ·

//control panel

raksha@prod ~ — bash · check_uptime.sh

while true; do

check_uptime();

done # never stops

CPU 18%MEM 42%I/O 61%healthy

sqlplus@prod

SQL> SELECT passion

FROM raksha

WHERE topic='databases';

-- returns ∞ rows

dba_obsession.log

-- 99% uptime? unacceptable.

-- chasing the last 0.9%

EXEC dbms_sanity.check();

●$ while true; do check_uptime(); done # she literally never stops monitoring●SELECT passion FROM raksha WHERE topic='databases'; -- returns ∞ rows●-- 99% uptime? unacceptable. let's chase the last 0.9%●EXEC dbms_sanity.check(); -- still obsessed with tuning●ALTER SESSION SET sleep = DISABLED;●tail -f /var/log/oracle/*.log | grep -i 'ERROR' # never sleeping●$ while true; do check_uptime(); done # she literally never stops monitoring●SELECT passion FROM raksha WHERE topic='databases'; -- returns ∞ rows●-- 99% uptime? unacceptable. let's chase the last 0.9%●EXEC dbms_sanity.check(); -- still obsessed with tuning●ALTER SESSION SET sleep = DISABLED;●tail -f /var/log/oracle/*.log | grep -i 'ERROR' # never sleeping

01About

Mission-critical databases. Zero excuses.

Results-driven Oracle DBA and Linux Systems Engineer with 4+ years of hands-on experience in Oracle database administration, PL/SQL development, performance tuning, and large-scale data centre infrastructure projects. Demonstrated ability to support mission-critical, high-availability environments for global airline clients (British Airways, Iberia Airlines / IAG). Proven track record in query optimisation (up to 40% execution-time reduction), zero-incident server decommissioning (50+ assets), and RPA automation achieving 99%+ uptime. Seeking Oracle DBA / Senior Database Support roles where deep technical expertise, strategic thinking, and cross-functional leadership create enterprise value.

Looking for

Oracle DBA / Senior Database Support roles

server health

HEALTHY

CPU18%

Memory42%

I/O61%

Uptime0%

● all systems nominal · last check 2s ago

02Experience

Four years on-call for global airlines.

Oct 2022 – Present

Linux Systems Engineer — Oracle Database & Infrastructure Support

Coforge Limited, Noida · Client: British Airways / IAG · Data Centre Exit Programme

▸Led end-to-end decommissioning of 50+ Linux/Windows servers with zero data loss, zero service disruption, full audit compliance, on time and on budget.
▸Orchestrated pre-decommission governance (port scanning, process auditing, dependency mapping, cross-team sign-offs) reducing rollback risk to 0%.
▸Managed 100+ change-management tickets end-to-end in JIRA → 100% change-success rate.
▸Documentation passed 3 consecutive internal + external audits with zero findings.
▸Used VMVisualizer, PuTTY, OASIS to validate server status and execute controlled shutdowns across heterogeneous environments.
▸Supported Oracle DB health checks, tablespace monitoring, schema validations during migration windows.
▸Authored runbooks/SOPs adopted as standard by a 5-member infrastructure team.

Mar 2022 – Sep 2022

PL/SQL Developer & Database Support Engineer (Intern → Junior)

Coforge Limited, Noida · Client: Iberia Airlines / IAG

▸Built & optimized 20+ PL/SQL procedures, functions, packages, triggers, cutting stored-proc execution time up to 40% via index analysis, execution-plan tuning, query rewrites.
▸Maintained 99%+ uptime for the Iberia IBM TJ Bot RPA suite over 12 months.
▸Delivered IBM TJ Bot POC docs that secured client approval for expanded RPA deployment.
▸Maintained 3 Oracle environments (Dev/UAT/Prod) with zero prod incidents.
▸Performed AWR/ASH analysis reducing I/O load by an estimated 25–30% on high-traffic tables.

03Key Achievements

Numbers that don't lie.

Incidents on BA Data Centre Exit

Zero. Every server.

PL/SQL Performance Gain

via AWR/ASH tuning

0%+

RPA Uptime (Iberia, 12 mo)

IBM TJ Bot suite

Audits Passed, 0 Findings

internal + external

Servers Decommissioned

zero data loss

04Skills

The toolkit.

$ ls

Oracle DBA

Oracle 11g/12c/19cRMAN backup & recoveryData Pump (expdp/impdp)AWR/ASH/ADDM tuningTablespace & Schema mgmtPartitioningIndexingExecution PlansHintsRAC awareness

$ ls