Summary
Overview
Work History
Education
Skills
Personal Information
ADDITIONAL INFORMATION
SELECTED PROJECTS & KEY TECHNICAL WORK
Languages
Timeline
Generic

Sukalyan Das

Bhubaneswar,Odisha

Summary

Experienced Linux Server Engineer and Systems Administrator with over 9 years in supporting Linux and Windows systems, enterprise applications, and analytics environments. Expertise includes SAS 9.4/DMS, SAS Viya administration, IBM DataStage, web server management, and Azure infrastructure. Proficient in monitoring, backup operations, and incident troubleshooting.

Overview

1
1
Language
15
15
years of professional experience

Work History

Analytics Administrator (Linux)

CSM Technologies
01.2020 - Current
  • Supported SAS analytics platforms and web/application services, managed databases, SSL/TLS configurations, scheduled jobs, backups, and conducted infrastructure performance investigations to optimize service delivery.
  • Monitored OS/services, troubleshot incidents, analyzed logs, conducted capacity checks, implemented changes, and documented operations to maintain system integrity.
  • Administered Linux servers and enterprise application infrastructure, ensuring stability and reliability in production environments.

System Administrator / E-learning Instructor

Chinmaya Vidyalaya
01.2017 - 01.2019
  • Administered Linux systems and managed IT operations for e-learning platforms and classroom technology.
  • Managed school servers, networks, and computer labs at Chinmaya Vidyalaya.
  • Installed and updated operating systems, antivirus, and approved software.
  • Monitored user accounts, passwords, and access permissions for staff and students.

Resource Coordinator

Pearson India Education Services Pvt. Ltd.
01.2015 - 01.2017
  • Coordinated resource allocation for Pearson India education programs, ensuring alignment across teams and schedules.
  • Managed faculty availability and session planning for Pearson training operations, optimizing session effectiveness.
  • Liaised with internal teams and external partners to facilitate timely and successful delivery of Pearson projects.
  • Managed educational technology resources at Chinmaya Vidyalaya, Chhend, Rourkela.

Technical Assistant E-learning Smart Classes

Saraswati Vidya Mandir
01.2014 - 01.2015
  • Delivered technical assistance to enhance functionality of e-learning and smart-class facilities.
  • Troubleshot hardware and software issues across school systems.
  • Maintained computer labs and classroom devices at Saraswati Vidya Mandir.
  • Supported teachers with projector setup and presentation delivery.

Resource Coordinator

Educomp Solutions Pvt. Ltd.
01.2012 - 01.2014
  • Coordinated resource schedules for Pearson India Education Services across teams and locations.
  • Coordinated resources and managed daily operations for education technology services, ensuring seamless support for stakeholders.
  • Managed communication with vendors, trainers, and internal stakeholders on delivery needs.
  • Allocated learning materials and support staff for training and assessment activities.

Education

B.Sc. -

Rourkela Government Autonomous College
Odisha

Intermediate -

UGM College
Rourkela

10th -

St. Gregorios School
Rourkela

Skills

  • LINUX SERVER ADMINISTRATION
  • Operating systems and installation: Install, configure and support RHEL 7/8/9, CentOS 7/8 and Ubuntu 2004/2204; perform server setup, OS configuration, package installation, updates and routine maintenance Windows 10/11 familiarity for client-side and cross-platform support
  • User, group and access management: Manage local users and groups, ownership and permissions, sudo access and permission-denied issues, applying least-privilege practices where required
  • Services and processes: Use systemctl/service tools to inspect, start, stop, restart and enable services Review process state, resource consumption, dependencies and system logs when services fail
  • Packages and repositories: Use apt and RPM/YUM/DNF workflows as appropriate; troubleshoot repository metadata, package dependencies, missing packages and repository connectivity
  • Storage, partitions, filesystems, LVM and RAID: Inspect disks and partitions, create or extend logical volumes, extend filesystems after storage growth, verify mount points and capacity, and support RAID health checks according to the server design
  • Networking and firewalls: Check IP configuration, DNS, routes, listening ports and TCP connectivity Troubleshoot DHCP, FTP, SMTP and firewall rules, distinguishing host, network, application and upstream issues
  • Security and SSL/TLS: Troubleshoot certificate files, private keys, full chains, CA bundles, certificate expiry and trust-chain issues; validate TLS connectivity using command-line tools
  • Scheduling, backups and recovery: Create and troubleshoot cron schedules, verify job execution and logs, maintain backup scripts, exclusions and retention, and check archive size, disk capacity and recovery requirements
  • Monitoring and change control: Monitor CPU, memory, disk, processes, service state and logs; use sar/sysstat for historical data where configured Document changes, validation, root cause, resolution and operational risks
  • Platform and service administration: Support SAS 94 and SAS Viya analytics/grid environments across Linux and Windows, including server-side services and client tools; perform service checks and incident investigation
  • SAS Management Console (SMC) user support: Troubleshoot user-reported SMC issues involving login/access, metadata connectivity, permissions, server definitions, profile/configuration and access to registered SAS resources Verify service health, connectivity and relevant logs before escalating platform or metadata issues
  • SAS Enterprise Guide (EG) client support: Troubleshoot EG client connection and session issues, SAS server profiles, metadata/server access, library assignments, authentication, failed submissions and errors accessing server-side resources Correlate client messages with SAS logs, service status and connectivity checks
  • SAS Data Integration Studio (DI) administration: Support DI Studio client connectivity, metadata access, repository/object access, job design or execution support, deployed job scheduling and job failure investigation Check associated SAS services, logs, permissions and server connectivity
  • Core SAS services: Check SAS Metadata Server, Object Spawner, CONNECT Spawner and related service states, processes, listening ports and client connectivity
  • Scheduling Server and DIP Job Runner: Investigate job failures, inability to create or edit schedules, missing/stale scheduler logs, service availability and scheduling connectivity
  • GemFire and network diagnostics: Troubleshoot GemFire locator/cache communication, timeouts, unavailable locators, hostname resolution and port reachability from client and server locations
  • Viya microservices and JVM performance: Review service readiness, logs, resource usage, Java heap settings, garbage-collection counts and elapsed GC time; use the evidence for performance and capacity analysis
  • User access management: Investigate reported user access problems by validating account status, group/role membership, permissions, authentication path and metadata/resource access, within assigned administration scope
  • Configuration and operational controls: Apply configuration changes through the environment's supported mechanism, validate after reload/restart, and document service impact, rollback considerations and operational procedures
  • Server and service operations: Check host health, relevant services, process state, disk space and system logs for IBM DataStage environments operating in an HA setup
  • DataStage client tools support: Troubleshoot client-tool launch and connection issues, server/project access, authentication, client-to-server connectivity and configuration problems Validate service status, network reachability and client error details
  • Access management: Investigate user-reported login, project access, role/permission and resource access issues, coordinating with the relevant identity or platform owner where required
  • Scheduling jobs and execution: Support scheduled-job administration and troubleshooting: verify schedule configuration, execution status, job logs, failure messages, dependencies and service availability; investigate missed or failed runs
  • ETL platform availability: Monitor the infrastructure supporting data-integration workloads and troubleshoot hostname resolution, port reachability, network paths and service dependencies
  • Logs and incident resolution: Review operating system, service, client and job logs for startup failures, errors, timeouts and connectivity issues; gather evidence to distinguish infrastructure issues from ETL job or client issues
  • HA, maintenance and recovery: Follow documented HA procedures, validate service availability after approved maintenance/failover, and support backup/recovery checks and controlled change activities
  • Administration and operational records: Maintain incident details, troubleshooting steps, job execution findings, service checks, changes and resolution notes to support auditability and repeatable operations
  • Frapp/ERPNext and Bench: Support the Frappe/ERPNext application stack, bench environment, site configuration, application processes and scheduled operations
  • Nginx reverse proxy and upstreams: Configure/troubleshoot routes for application requests, assets, uploaded files and SocketIO/WebSocket traffic; review proxy paths, upstream configuration and logs
  • Cluster and load-balancer support: Check application-node and upstream availability, node reachability and routing; investigate inconsistent behavior across nodes according to the documented cluster design
  • MariaDB/MySQL support: Check database availability, connectivity, logs, storage usage and backups; investigate database errors affecting the application
  • Permissions, assets and uploads: Troubleshoot file ownership, group membership, directory permissions, asset symlinks, static-file delivery and file-upload failures, including relevant application settings and WAF behavior
  • Backup, retention and HTTP errors: Maintain scheduled backup jobs, exclusions and retention; monitor backup growth and disk capacity Correlate Nginx logs with backend state and ports to troubleshoot HTTP 502/upstream errors
  • Change validation: After maintenance, validate application access, static assets, file uploads, scheduled/background processing and database connectivity
  • Cloud Infrastructure Management
  • Web and application hosting: Support Nginx, Apache HTTP Server, Tomcat and NET Core hosting, virtual hosts, reverse proxies, request routing, TLS termination, service state and application logs
  • Database and connectivity tools: Support MariaDB/MySQL and PostgreSQL operations, log/backup checks and maintenance monitoring; troubleshoot ODBC/pyodbc drivers, authentication compatibility and SSL/connectivity errors
  • Keycloak and SSO: Assist with Keycloak/OpenID Connect issues by reviewing realm/authority references, client settings, redirect behavior, dependencies and certificate trust
  • Azure and monitoring: Work with Azure VMs, VNet and NSG fundamentals; support Application Insights availability monitoring and reporting requirements
  • Automation and diagnostic tools: Run/troubleshoot Python scripts, validate JSON/CSV outputs, schedule jobs with cron, and work with sar/sysstat Technical exposure to Jenkins, SonarQube, Trivy and OWASP ZAP
  • Documentation and reporting: Prepare incident summaries, root-cause notes, change plans, operational status reports and capacity recommendations for technical teams and management
  • Cloud Administration

Personal Information

Title: Linux Server Engineer

ADDITIONAL INFORMATION

Languages: English, Hindi, Odia

SELECTED PROJECTS & KEY TECHNICAL WORK

  • Odisha State Dashboard / .NET Application & SAS Server Administrator, https://statedashboard.odisha.gov.in, Administer and support the .NET application hosting environment and SAS servers., Troubleshoot application availability, web-server connectivity, configuration and service-level issues., Support SAS platform operations, server monitoring, log analysis and production incident resolution.
  • I3MS Odisha Minerals / SAS Server Administrator, https://i3ms.odishaminerals.gov.in/, Administer and support SAS servers associated with the I3MS application environment., Monitor SAS services and server resources; investigate service, connectivity and scheduling-related issues., Perform log analysis and troubleshooting to help maintain platform availability.
  • Saksham NAFED ERP / Frappe / ERPNext Cluster Server Administrator, https://saksham.nafed-india.com/, Administer the clustered Frappe/ERPNext server environment supporting the Saksham application., Support Nginx reverse-proxy and application services, site configuration, permissions, assets and file uploads., Manage backup scheduling and retention, and troubleshoot application, database and infrastructure issues.
  • Works Dashboard Odisha / IBM DataStage Server Administrator (HA), https://worksdashboard.odisha.gov.in/#/admin, Administer and support IBM DataStage servers used for data integration and ETL workloads in an HA setup., Monitor server and service health, review logs, and troubleshoot infrastructure or service-connectivity issues., Support operational reliability of the DataStage environment.
  • SAS Analytics Platform Administration & Scheduling Support / SAS 9.4 / SAS Viya, Linux and Windows, Administer and monitor SAS analytics/grid servers and client tools across Linux and Windows environments., Troubleshoot Scheduling Server and DIP Job Runner issues, job scheduling failures, client/server connectivity, port reachability and GemFire locator communication., Investigate service logs for timeouts, hostname-resolution failures and cache/locator connectivity problems., Review JVM heap and garbage-collection indicators for SAS microservices and prepare capacity/risk recommendations.
  • SAS Client Tools Support SMC, Enterprise Guide and Data Integration Studio / SAS 9.4 / DMS, Troubleshoot reported user issues with SMC, EG and DI Studio involving client connectivity, authentication, metadata/resource access, server profiles and job execution., Review client messages and relevant SAS/server logs; validate service health, permissions and network/port connectivity., Support SAS user administration and access-related incident investigation within assigned responsibilities.
  • IBM DataStage Client Tools and Job Scheduling Support / IBM DataStage HA, Troubleshoot user-reported client-tool login, connection, project access and permission issues., Investigate scheduled or failed ETL jobs by checking schedules, execution status, logs, dependencies and service availability., Document issue symptoms, checks performed, findings, changes and resolution.
  • Web Application SSL/TLS, Load Balancing & Identity Integration / Nginx, Apache, .NET Core, Keycloak, SSL/TLS, Configure and troubleshoot SSL certificates, private keys, full-chain files and certificate bundles., Investigate access issues involving DNS, upstream connectivity, port reachability and load-balancer/WAF routing changes., Support authentication and SSO troubleshooting for Keycloak/OpenID Connect integrations.
  • Linux Performance, Storage & ETL Operations Support / Ubuntu/RHEL, sysstat, PostgreSQL, Python, cron, Enable and validate sysstat/sar collection for CPU, memory and system-performance reporting., Troubleshoot disk and filesystem capacity issues, including LVM expansion and filesystem resizing validation., Investigate PostgreSQL maintenance activity and support Python-based data extraction jobs scheduled through cron.

Languages

English
Beginner
A1

Timeline

Analytics Administrator (Linux)

CSM Technologies
01.2020 - Current

System Administrator / E-learning Instructor

Chinmaya Vidyalaya
01.2017 - 01.2019

Resource Coordinator

Pearson India Education Services Pvt. Ltd.
01.2015 - 01.2017

Technical Assistant E-learning Smart Classes

Saraswati Vidya Mandir
01.2014 - 01.2015

Resource Coordinator

Educomp Solutions Pvt. Ltd.
01.2012 - 01.2014

B.Sc. -

Rourkela Government Autonomous College

Intermediate -

UGM College

10th -

St. Gregorios School

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