KonnectIT
Senior LAN Engineer / Systems Administrator
KonnectIT, Chicago, Illinois, United States, 60605
Job Description
Job Description
We are seeking a
Senior LAN Engineer / Systems Administrator
with over six years of experience managing enterprise infrastructure environments. The ideal candidate will have advanced expertise in
Windows Server and Linux administration, Active Directory, Cisco and Fortinet networking, VMware, Hyper-V, and SAN administration . This role involves leading infrastructure projects, ensuring network and server reliability, and mentoring junior team members while contributing to strategic IT initiatives. Key Responsibilities Lead administration and maintenance of
Windows Server
and
Linux Server
environments.
Manage and optimize
Active Directory , including policies, permissions, and identity management.
Configure, monitor, and troubleshoot
Cisco
and
Fortinet
network devices and firewalls.
Administer and maintain virtualization platforms ( VMware, Hyper-V ) for enterprise environments.
Oversee
Storage Area Network (SAN)
administration and optimization.
Perform system monitoring, patching, updates, and performance tuning.
Provide escalation support for complex infrastructure and networking issues.
Develop and maintain infrastructure documentation, policies, and procedures.
Mentor junior engineers and contribute to cross-team knowledge sharing.
Lead or participate in
infrastructure modernization and cloud migration projects .
Mandatory Skills Strong expertise in
Windows Server Administration .
Advanced
Linux Server Administration
skills.
Proficiency with
Active Directory administration .
Hands-on experience with
Cisco and Fortinet network devices .
Proficiency with
VMware and Hyper-V
virtualization technologies.
Strong background in
SAN administration and optimization .
Proven ability to troubleshoot and optimize server and network performance.
Desirable Skills Experience with
cloud infrastructure platforms
(Azure, AWS, GCP).
Knowledge of
infrastructure automation and scripting
(PowerShell, Bash, Python).
Familiarity with
Zero Trust architecture, network segmentation, and enterprise security best practices .
Experience with
disaster recovery planning
and
high-availability architecture .
Ability to design and document
infrastructure roadmaps .
Proven experience leading teams, mentoring staff, and engaging with business stakeholders.
Job Description
We are seeking a
Senior LAN Engineer / Systems Administrator
with over six years of experience managing enterprise infrastructure environments. The ideal candidate will have advanced expertise in
Windows Server and Linux administration, Active Directory, Cisco and Fortinet networking, VMware, Hyper-V, and SAN administration . This role involves leading infrastructure projects, ensuring network and server reliability, and mentoring junior team members while contributing to strategic IT initiatives. Key Responsibilities Lead administration and maintenance of
Windows Server
and
Linux Server
environments.
Manage and optimize
Active Directory , including policies, permissions, and identity management.
Configure, monitor, and troubleshoot
Cisco
and
Fortinet
network devices and firewalls.
Administer and maintain virtualization platforms ( VMware, Hyper-V ) for enterprise environments.
Oversee
Storage Area Network (SAN)
administration and optimization.
Perform system monitoring, patching, updates, and performance tuning.
Provide escalation support for complex infrastructure and networking issues.
Develop and maintain infrastructure documentation, policies, and procedures.
Mentor junior engineers and contribute to cross-team knowledge sharing.
Lead or participate in
infrastructure modernization and cloud migration projects .
Mandatory Skills Strong expertise in
Windows Server Administration .
Advanced
Linux Server Administration
skills.
Proficiency with
Active Directory administration .
Hands-on experience with
Cisco and Fortinet network devices .
Proficiency with
VMware and Hyper-V
virtualization technologies.
Strong background in
SAN administration and optimization .
Proven ability to troubleshoot and optimize server and network performance.
Desirable Skills Experience with
cloud infrastructure platforms
(Azure, AWS, GCP).
Knowledge of
infrastructure automation and scripting
(PowerShell, Bash, Python).
Familiarity with
Zero Trust architecture, network segmentation, and enterprise security best practices .
Experience with
disaster recovery planning
and
high-availability architecture .
Ability to design and document
infrastructure roadmaps .
Proven experience leading teams, mentoring staff, and engaging with business stakeholders.