Lead Site Reliability Engineer (SRE) – AWS/Linux/Windows
Location: Hartford, CT (Hybrid- 3 days’ work from office)
Experience: 10+ years
Please note, this role is not able to offer visa transfer or sponsorship now or in the future*
Job Summary
We are seeking a highly capable Compute RE Lead to drive and manage compute operations across Linux/Unix, Windows, and AWS environments. This role will lead the compute team, provide technical guidance, and leverage Reliability Engineering (RE) principles to improve efficiency and reduce operational toil.
The ideal candidate will have strong expertise in Linux (preferred) along with working knowledge of Windows, enabling them to effectively guide both teams and customers.
Key Responsibilities
Leadership & Strategy
- Lead the compute function across Linux/Unix, Windows, and AWS environments
- Provide technical guidance and mentorship to the compute team
- Identify opportunities to reduce toil by applying RE principles and automation
- Act as the primary point of contact for compute-related discussions with stakeholders
Linux Administration
- Perform day-to-day administration of Linux systems (RHEL, CentOS, Ubuntu)
- Install, configure, patch, and maintain operating systems and services
- Monitor system performance and troubleshoot issues
- Manage users, permissions, and access controls
- Develop automation scripts using Bash/Python
Windows Administration (Knowledge Required)
- Provide guidance and oversight for Windows-based environments
- Support system operations, patching, and troubleshooting
AWS & Cloud Administration
- Design, deploy, and manage AWS services (EC2, S3, IAM, VPC, EBS, RDS, CloudWatch, CloudFormation)
- Manage IAM roles and ensure least-privilege access
- Monitor and optimize cloud performance and costs
- Support hybrid cloud environments and migration initiatives
- Implement backup, disaster recovery, and high availability solutions
Operations & Governance
- Ensure high availability, performance, and security of systems
- Develop and maintain documentation, runbooks, and SOPs
- Participate in incident management and on-call support
- Collaborate with DevOps and development teams on infrastructure needs
- Ensure compliance with security and audit requirements
Required Qualifications
- Strong experience in Linux administration (RHEL/CentOS/Ubuntu)
- Working knowledge of Windows Server environments
- Hands-on experience with AWS cloud services
- Experience in scripting and automation (Bash/Python)
- Good understanding of networking concepts (TCP/IP, DNS, firewalls, load balancers)
- Proven ability to lead teams and drive technical initiatives
Applications will be accepted until 7/10/2026
The annual salary for this position is between $79,240 $130,000 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and is subject to the terms of Cognizant’s applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
· Medical/Dental/Vision/Life Insurance
· Paid holidays plus Paid Time Off
· 401(k) plan and contribution
· Long-term/Short-term Disability
· Paid Parental Leave
· Employee Stock Purchase Plan
Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
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Über Cognizant
Cognizant (NASDAQ: CTSH) i ist ein Technologiedienstleister und Entwickler von KI-Lösungen. Wir schlagen die Brücke zwischen KI-Investitionen und echtem unternehmerischem Mehrwert, indem wir ganzheitliche Full-Stack-KI-Lösungen für unsere Kunden entwickeln. Mit unserer fundierten Branchen-, Prozess- und Engineering-Expertise integrieren wir die spezifischen Anforderungen von Unternehmen passgenau in Technologiesysteme. So entfalten wir das menschliche Potenzial, erzielen greifbare Ergebnisse und sichern globalen Unternehmen in einer sich rasant wandelnden Welt den entscheidenden Vorsprung. Erfahren Sie mehr unter cognizant.ai oder @cognizant.
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