About this role
About Ensono
Ensono is an expert technology adviser and managed service provider. As a relentless ally, we accelerate clients' digital transformation to achieve business outcomes that stand to last. Our dedicated team helps organizations optimize today's systems across any hybrid environment with services such as consulting, mainframe and application modernization, public cloud migration and cloud-native development. With certified experts in AWS, Azure and Google Cloud and recognized as Microsoft Datacenter Transformation Partner of the Year, Ensono has over 3500+ associates globally and is headquartered in greater Chicago.
We care about your success, offering comprehensive strategic and managed services for mission-critical applications. Our Advisory and Consulting services can help upfront with an application strategy or find the right places for your applications - whether it's public, multi or hybrid cloud, or mainframe. And because we span across all mission-critical platforms, we can meet you wherever you are in your digital transformation journey, with 24/7 support when you need it. We are your relentless ally, flexing with you when challenges emerge so you don't feel stuck in place. With cross-platform certifications and decades of experience, our technology experts have become an extension of your team so you're continuously innovating - doing more with less while remaining secure. And that's just the beginning.
We are seeking a Linux L3 Engineer to join Linux Operations team. This is a hands-on technical leadership role responsible for managing, supporting, and optimizing Linux servers in production environments across hosted, cloud (AWS/Azure), and remote infrastructure settings. You will drive operational excellence, incident resolution, automation, and continuous improvement for critical business systems.
Key Responsibilities
Incident & Problem Management
Resolve high-priority incidents and major incidents (MIs) with end-to-end ownership and minimal escalationPerform advanced root-cause analysis and implement permanent, sustainable fixesLead critical incident response, stabilization, and recovery efforts under pressureProvide clear technical direction and minimize business impact during outages Ownership & Accountability
Take end-to-end ownership of service requests, incidents, and operational tasksEnsure proper validation, documentation, and closure of all work itemsTrack MTTR (Mean Time to Resolution) and drive continuous improvementMaintain high availability and compliance standards Process Excellence & SOP Development
Create, review, and maintain Standard Operating Procedures (SOPs) for recurring operational tasksIdentify and document gaps in procedures and driving standardization across teamsSupport audit and compliance requirements through documented processesContribute to operational runbooks and disaster recovery procedures Automation & Infrastructure as Code
Develop Ansible playbooks, shell scripts, and automation to reduce manual effortSupport infrastructure-as-code initiatives and configuration managementIdentify repetitive tasks and drive automation to improve reliability and efficiencySupport deployment and orchestration initiatives (Docker, Kubernetes, orchestration tools) Change & Risk Management
Execute changes within ServiceNow/change management frameworksPerform impact analysis and risk assessment for infrastructure changesCoordinate with stakeholders during maintenance windows and service outagesValidate blackout configurations and alert suppression during changes Mentorship & Team Leadership
Act as a technical reference point and mentor for junior engineersGuide team members during complex troubleshooting and escalationsShare knowledge through documentation, training, and collaborative problem-solvingContribute to team capability development and cross-training Client & Stakeholder Management
Communicate effectively with internal teams and external clientsProvide clear updates on incident status and resolution timelinesBuild trust through reliability, transparency, and technical credibilitySupport SLA compliance and service level agreements Required Qualifications
Technical Skills
8+ years of production Linux/Unix administration and support experienceDeep knowledge of RHEL, CentOS, Ubuntu (including LTS versions and lifecycle management)Advanced troubleshooting skills: kernel, networking, storage, performance tuningExperience with patching, security updates, and vulnerability remediationStrong shell scripting (Bash) and Ansible automation experienceProficiency with systemd, RPM/APT package management, and kernel modulesHands-on experience with SSH, sudo, LDAP/Active Directory authenticationSolid understanding of Linux security (SELinux, AppArmor, firewalls, file permissions) Cloud & Infrastructure
Experience with AWS EC2 , GCP and Azure VMs in production environmentsUnderstanding of managed services and infrastructure as a service (IaaS)Experience with DNS, routing, load balancing concepts Monitoring & Logging
Experience with Datadog, Azure Monitor, Prometheus, or similar monitoring platformsAbility to configure alerts, dashboards, and log aggregationUnderstanding of metrics, logs, traces (observability fundamentals) Operational Skills
Strong incident response and problem-solving under pressureChange management and risk assessment experienceDocumentation and SOP writing skillsAbility to work in 24/7 on-call rotations (if required) Soft Skills
Excellent communication and technical documentation abilitiesStrong time management and prioritization in multi-tasking environmentTeam player with mentoring mindsetDetail-oriented with focus on quality and compliance Shift Timings: 24*7 rotational shift and oncall support
We are an equal opportunity employer. All qualified applicants will be considered for employment without regard to caste, colour, creed, religion, gender, gender identity, sexual orientation, age, disability, HIV status, or any other status protected by law. Candidates with disabilities who require accommodations during the recruitment process are encouraged to contact our Talent Acquisition team to place a request.
JR014161