Senior Systems Administrator

Summit 7 Systems•Denver, CO

1d•Onsite

About The Position

We are seeking an experienced Senior Systems Administrator to join our Cleared IT Support Team. This role is pivotal in managing and optimizing advanced IT infrastructure while leading technical initiatives to support organizational goals. The Senior Systems Administrator will collaborate with Senior Engineers, Network Administrators, security teams, and IT specialists to ensure the secure and efficient operation of multi-user computer networks, including WANs and standalone systems. The ideal candidate will supplement the team in addressing technical challenges, implementing cutting-edge solutions, and driving process improvements. This position involves administering server and workstation infrastructure, networking environments, optimizing system performance, and ensuring compliance with security standards. This role will involve interactions with customer users both onsite and through a service desk and being a liaison for the team between higher level engineers and the service desk personnel.

Requirements

Associate or bachelor's degree in computer science or related degree OR at least five (5) years of IT or related experience.
Special preference for senior systems administration support.
Top Secret/SCI with CI Polygraph
CompTIA Security+ Certification
Microsoft Windows Server 2016+ Administration Experience
Microsoft Active Directory Administration Experience
Microsoft Windows 10 + Administration
Some experience with Linux (Red Hat or others)
Excellent customer service skills
Ability to work independently and a strong desire for personal and professional development
Ability to identify and evaluate trends in industry best practices and policies
Hands on experience with Network troubleshooting, Microsoft Domain Services (DNS, DHCP, etc.) troubleshooting, Microsoft Active Directory troubleshooting
Backup and Storage Administration
Office Applications Administration

Nice To Haves

Advanced experience with VMWare
Advanced experience with Microsoft Exchange
Experience with Host-based Security Services (HBSS)
Experience with Nessus or other vulnerability assessment tools
Advanced experience with Linux (Red Hat or others)
Experience with Storage Technologies
Experience with LAN/WAN, switching technologies
Experience working with Intelligence Community accredited systems
Experience working with DCSA/DoD accredited systems

Responsibilities

Assist with the administration and optimization of Windows Server and Active Directory environments, including DNS, DHCP, and group policy configuration.
Oversee and maintain enterprise virtualization environments (e.g., VMware, Hyper-V).
IT support relating to technical issues involving Microsoft's core business applications and operating systems
Document new and existing Policies, Procedures, and Network Diagrams
Identify gaps and faults in existing process; implement new procedures to improve capabilities
Act as liaison between highly technical engineers and less technical tier 1 technicians
Create easy to follow knowledge base articles that solve complex technical problems
Train and mentor junior staff
Intermediate to advanced understanding of Microsoft products (Exchange, SharePoint, Windows, Windows Server, Active Directory, etc.)
Intermediate technical support at the network level: WAN and LAN connectivity, routers, firewalls, switches, security, etc.
Able to quickly move between tasks to cover escalation and project needs
Communicates effectively with the clients, notifying them of impending changes, ticket progress, and agreed outages
Resolute dedication to unparalleled customer service
Fast turnaround of escalated requests
Ability to work in a team and communicate effectively
Responsible for entering all time and expenses within corporate guidelines
Continuous education, expansion, and refinement of technical knowledge, and credibility through industry standard certifications
Interpret and discuss information with others and regularly provide and recommend actions involving complex issues
Demonstrate professional attitude with clients and team members and enhance relationships.
Other duties as assigned