Responsibilities:
- Manage, coordinate, and implement software upgrades, patches, hot fixes on Linux/Windows/ESXi
- systems, using tools like SCCM, Satellite, Spacewalk
- Maintain OS configuration using Configuration Management tools like Ansible
- Support file/printer servers and manage AD resource permissions
- Manage external digital certificate requests and external DNS provider
- Participate in Data Center consolidation, and migration to the cloud (AWS)
- Provide hands on operational support for Firewalls, Routers, Switches and associated Security related devices.
- investigate and resolve network and security incidents
- Fault finding, analysis and of logging information for reporting of performance exceptions
- Proactively monitoring system performance and capacity planning
- Create and modify scripts or applications to perform tasks
- Provide input on ways to improve the stability, security, efficiency, and scalability of the environment
- Collaborate with other teams and team members to develop automation strategies and deployment processes
- Design and document SOPs (Standard Operating Procedures) for system administration activities
- Maintain best practices on managing systems and services across all environments
- Must be able to participate in periodic on-call rotation
- Must be able to work with minimal supervision, is self-motivated and able to define, plan and implement long-term goals, tasks and projects
Qualifications:
- BS in Computer Science or Engineering or information systems or related field (or equivalent experience) required
- Good understanding of AWS services like EC2, S3, VPC, Route53 and Kubernetes
- 7+ years Windows/VMware/Linux systems administration experience
- Scripting skills: highly skilled in a at least two typical scripting languages (shell/bash, PowerShell, Perl, python, ruby)
- Knowledge of infrastructure automation tools such as Ansible, Terraform, Satellite, Spacewalk etc.
- Experience designing and maintaining AWS-based systems
- Experience configuring Linux/Windows guests in a VMware ESXi environment
- Experience supporting Microsoft Exchange, preferably in a hybrid environment
- Strong understanding of Active Directory and related technologies, especially DNS and DHCP
- A thorough understanding and management of Microsoft applications: ADFS, PKI, SCOM, KMS, MBAM, RDS, IIS, and SQL
- 2+ years of Office 365 experience including migrations from on-premises highly desired
- A full understanding of Microsoft Office 365 administration and experience supporting complex environments with emphasis on Exchange and SharePoint Online
- In-depth knowledge related to the Office 365 applications and features including Azure Directory
- Excellent problem solving, multitasking, troubleshooting skills and attention to details are required to work in this challenging and dynamic environment
- Windows client OS image building (preferably using MDT) is a plus
- SCCM experience for patch management, application deployment, and OS deployment is a plus
- Knowledge of SSO integration between Office 365 and major SSO providers like Okta
- Good understanding of Cisco switches, DMVPN, Palo Alto Network firewall
- Comfortable working with third parties and managed service providers
- Strong knowledge related to email security (SPF, DKIM, and DMARC) and security best practices in general and mail client/server troubleshooting
- Strong documentation skill, analytical, organizational, and problem solving skills, as well as accuracy and attention to detail
- Very strong interpersonal, customer service, result oriented and team building skills are essential
- Jamf experience for MACs management is a plus
- Any Linux (RHCT, RHCE and LPIC), AWS certifications or Office 365 MCSA will be plus
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