CornerStone Technology Talent Services · 11 hours ago
Senior Network System Engineer
Oklahoma City, OK
Full-time
Onsite
Senior Level
5+ years expCornerStone Technology Talent Services is seeking a Senior Network System Engineer to participate in the delivery, implementation, and ongoing maintenance of system and network solutions. This role involves ensuring high availability, performance, and security of server and network infrastructure, along with responsibilities in design, implementation, and support of LAN, WLAN, and WAN environments.
Staffing & Recruiting
Hiring Manager
Ruel Martinada
Responsibilities
Participate in the design, implementation, and support of LAN, WLAN, and WAN environments
Install, configure, and maintain network switches and LAN devices, including VLAN routing and switching
Configure, install, and support servers and SAN infrastructure
Implement and maintain VMware environments
Implement and maintain secure remote access solutions in virtualized environments
Configure and support firewall platforms and secure remote access appliances
Design and maintain site-to-site and client-server VPN solutions
Support Microsoft 365 and cloud infrastructure platforms, including AWS EC2
Coordinate with hardware and software vendors for technical updates, replacements, and support
Monitor network performance, availability, and integrity
Maintain data center operational integrity, including preventative maintenance and break/fix support
Troubleshoot and resolve escalated issues across cloud and on-prem infrastructure
Automate routine tasks and monitor effectiveness
Create, test, and maintain security controls including authentication and disaster recovery processes
Maintain and update technical documentation
Mentor team members on technical topics and best practices
Communicate with users as needed regarding system availability and issues
Support end-user devices including laptops, desktops, hardware, and software
Perform initial setup and configuration of end-user equipment prior to service desk handoff
Recommend improvements to network performance, scalability, and capacity
Administer and support phone systems
Monitor and maintain facility security systems including cameras and access control systems
Perform physical security checks of facilities
Interact with vendors to procure hardware, software, and licensing
Partner with accounting to review and approve IT-related invoices
Respond to and resolve issues identified by monitoring or operations teams
Monitor and maintain backup power systems including UPS and generator readiness
Travel to U.S. office locations as required (TX, OK, DC)
Qualification
Required
5–6 years of experience in IT infrastructure, security, and physical security
Experience managing vendor relationships
Strong hands-on experience implementing, troubleshooting, and maintaining servers, networks, firewalls, and workstations
Proficiency with Windows Server environments and modern Windows desktop operating systems
Proficiency with Microsoft 365 (Word, Excel, Outlook, Teams, SharePoint)
Strong verbal and written communication skills
Strong analytical, critical thinking, and problem-solving abilities
Highly organized, detail-oriented, and project-focused
Self-motivated with the ability to work independently and collaboratively
Customer-service mindset with a proactive and resourceful approach
Ability to meet deadlines and manage multiple priorities
Ability to demonstrate skills in technology, automation, communication, innovation, and service design
Ability to pass a 10-year background check and drug screening
Associate's degree in a technology-related field or 3–4 years of equivalent training and experience
Preferred
Microsoft Certification
CompTIA A+
CompTIA Network+
CompTIA Security+
Company
CornerStone Technology Talent Services
CornerStone Technology Talent Services (TTS) delivers scalable IT hiring, government workforce solutions, and executive search with precision.
201-500 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase