{"id":3159835,"url":"https://alion.io/job/tessell-site-reliability-engineer-l3","title":"Site Reliability Engineer - L3","company":{"id":810122,"name":"Tessell","domain":"tessell.com","url":"https://alion.io/company/tessell-3","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hyderabad, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":16500,"max_usd":39000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":53},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon CloudWatch","optional":false},{"name":"Amazon EC2","optional":false},{"name":"Amazon S3","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Bash","optional":false},{"name":"CentOS Stream","optional":false},{"name":"Chef","optional":false},{"name":"CloudFormation","optional":false},{"name":"Datadog","optional":false},{"name":"DNS","optional":false},{"name":"ElasticSearch","optional":false},{"name":"GCP","optional":false},{"name":"Grafana","optional":false},{"name":"IAM","optional":false},{"name":"Incident Management","optional":false},{"name":"Kibana","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Logstash","optional":false},{"name":"MS SQL","optional":false},{"name":"MySQL","optional":false},{"name":"Oracle","optional":false},{"name":"PostgreSQL","optional":false},{"name":"PowerShell","optional":false},{"name":"Prometheus","optional":false},{"name":"Python","optional":false},{"name":"SLI/SLO/SLA","optional":false},{"name":"TCP/IP","optional":false},{"name":"Terraform","optional":false},{"name":"Ubuntu","optional":false}],"status":"live","first_seen_at":"2026-10-23T15:35:27Z","employer_posted_date":null,"last_verified_at":"2026-10-23T15:35:27Z","board_verified":false,"closed_at":null,"days_open":7,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":7},"description":"The core requirements for the job include the following:\n\nDatabase Administration (DBA) Skills: \nRelational Databases: MySQL, PostgreSQL, Oracle, and MS SQL Server.\nDatabase Backup and Recovery: Tools and strategies for database backups and disaster recovery.\nPerformance Tuning: Query optimisation, indexing strategies, and database performance troubleshooting.\nDatabase Security: User management, roles, access control, and auditing.\n\nInfrastructure as a Service Knowledge: \nInfrastructure as Code (IaC): Terraform, CloudFormation, and Kubernetes.\nKubernetes and Containers: Good knowledge and understanding of Kubernetes and usage of containers.\nObservability Tools: ELK stack (Elasticsearch, Logstash, Kibana).\nDatabase Migration: Migrating databases across different platforms or cloud environments.\nInfrastructure Scaling: Vertical and horizontal scaling techniques in cloud environments.\n\nSRE Principles and Knowledge (Site Reliability Engineering): \nStrong hands-on experience in AWS and Azure clouds and a fair understanding of Google Cloud would be required.\nExperience in handling APIs, troubleshooting API calls, and ensuring seamless integration and performance.\nIncident Management: Handling database outages, incident response, and on-call rotations.\nMonitoring and Alerting: Tools like Prometheus, Grafana, Datadog, CloudWatch, suggest proactive monitoring for the application stack\nUnderstanding on core SRE principles: SLA, SLI, SLO, error budgets, etc.\nDisaster Recovery Planning: Ensuring high availability (HA) and disaster recovery (DR) solutions.\nPerformance Optimisation: Track latency, slow performance and high utilisation issues and recommend optimisation as required.\n\nScripting and Automation: \nScripting Languages: Python, shell scripting, Bash, and PowerShell.\nAutomation Tools: Ansible, Puppet, and Chef.\nInfrastructure Automation: Automating database deployment, patching, and scaling.\n\nNetworking and Infrastructure: \nNetworking Basics: TCP/IP, DNS, firewalls, and load balancers.\nDatabase Connectivity: Connection pooling, failover strategies, and multi-region deployment.\nStorage and Disc Management: Understanding IOPS, latency, and throughput.\nInfrastructure: Familiarity with AWS services like EC2 S3 VPC, and Security\nGroups, Private and Public subnets, IAM, CloudWatch, CloudTrail, etc. and Azure services like Virtual Machines, Azure functions, virtual networks, resource managers, etc.\n\nOS Skills: \nExpertise in Linux OS (RHEL, Ubuntu, CentOS).\nUnderstanding of file systems (ext4 XFS, etc. ), permissions, and ownerships.\nKnowledge of process monitoring, management, and troubleshooting.\nProficiency with tools like top, htop, vmstat, iostat, sar, and dstat to monitor CPU, memory, disc I/O, and network usage.\nAbility to analyse system logs (/var/log/, journalctl, dmesg) for troubleshooting.\nUnderstanding of resource limits (CPU, memory, disc, and network) and how they impact database performance.\nKnowledge of partitioning tools (fdisk, parted) and file system management (mkfs, mount, umount).\nUnderstanding of RAID configurations and Logical Volume Management (LVM) for storage scalability.\n\nTroubleshooting and Debugging: \nLog Analysis: Reading and analysing database and system logs.\nRoot Cause Analysis (RCA): Performing in-depth analysis after major incidents and sharing RCA with customers.\nQuery Performance: Analysing slow queries, deadlocks, and resource contention.\n\nSoft Skills: \nCommunication Skills: Clear written and verbal communication with internal and external stakeholders.\nProblem-Solving: Ability to prioritise, troubleshoot critical issues and bring them to closure.\nCollaboration: Working closely with DevOps, infrastructure, and engineering teams.\nSkills\nAWS, Azure, K8s, Kubernetes, SRE, site reliability","description_format":"text","description_chars":3779,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Databases & DBMS","Custom Software 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