Keller Williams Realty, LLC · 1 month ago
Senior Network Administrator
Austin, TX
Full-time
Onsite
Senior Level, Lead/Staff
$130K/yr - $140K/yr
8+ years expKeller Williams Realty is the world's largest real estate franchise by agent count, recognized for its agent-centric and technology-driven culture. As a Senior Network Administrator, you will be responsible for securing the network infrastructure, implementing security solutions, and mentoring junior staff while ensuring compliance with industry standards.
CommercialFranchiseProperty ManagementReal EstateReal Estate BrokerageResidentialSalesTraining
Responsibilities
Design, implement, and maintain network security infrastructure , including firewalls, intrusion detection/prevention systems (IDS/IPS), and VPNs
Conduct network security audits and vulnerability assessments to identify and remediate weaknesses
Monitor network traffic for malicious activity and respond to security incidents swiftly and effectively
Develop and enforce security policies and procedures across all network services
Manage access control lists (ACLs) and other security measures to enforce a principle of least privilege
Perform capacity planning and performance monitoring with a focus on security-related metrics
Research and implement new security technologies to enhance our defense capabilities
Automate security-related tasks and incident response processes
Ensure PCI-DSS compliance and other relevant security standards are met
Serve as a subject matter expert and mentor for junior staff on network security best practices
Participate in a reasonable on-call rotation to address urgent security matters
Other duties as required
Qualification
Required
8+ years of applied experience in network administration with a strong focus on security
Expert-level knowledge of Advanced Firewall Management and configuration
Advanced LAN / WAN Design and Management with a focus on secure architecture
In-depth knowledge of VPN technologies and secure communications
Expertise in VLAN configurations and network segmentation for security
Deep understanding of Access Control Lists (ACLs) and DMZ configurations
Proven experience with Network Security & Auditing
Knowledge of Cloud Connectivity and securing hybrid environments
Experience with Subnetting and IP addressing in a security context
Knowledge of VOIP security considerations
Bachelor's Degree in a related field or a relevant security certification (e.g., CISSP) or equivalent experience/knowledge
Advanced knowledge and expertise in [insert specific field of expertise and any specific knowledge that the position requires]
Advanced proficiency in Microsoft Office, including Excel, Word, and Outlook
Advanced critical thinking and project planning skills
Advanced data analytical skills, with strong attention to detail and accuracy
Superior verbal, written, interpersonal, listening, and presentation communication skills
Superior project management, time management, and organizational skills
Superior solution and service-oriented skills, with an emphasis on collaboration, problem solving, follow-through, and responsiveness
Superior relationship building skills, with a proactive and service-oriented approach to working with team members
Ability to lead projects and solve problems with minimal supervision and balance multiple projects while working constructively in a team environment
Ability to demonstrate good judgement and effective problem-solving, with the ability to address complex issues and provide specialized solutions
Ability to demonstrate a high degree of flexibility and adaptability
Ability to work independently as well as in a team-oriented, collaborative environment
Ability to demonstrate the highest level of integrity and ethics
Ability to demonstrate a high degree of self-motivation, accountability, and work ethic
Ability to provide strong customer service through all communication mediums
Benefits
Medical (including FSA and HSA options)
Dental
Vision
401k with Company Match
Keller Williams Incentive Plan (KWIP)
Basic Life Insurance
Voluntary Life Insurance
On-Demand Mental Healthcare
Employee Assistance Program (EAP)
Legal Services
Pet Insurance
Identity Theft Protection
Paid Time Off
Paid Holidays
Floating Holidays
Company
Keller Williams Realty, LLC
Austin, Texas-based Keller Williams, the world’s largest real estate franchise by agent count, has more than 1,100 offices and 176,000 agents.
10001+ employees
H1B Sponsorship
Keller Williams Realty, LLC has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (6)
2023 (2)
2022 (10)
2021 (12)
2020 (8)
Funding
Current Stage
Late StageTotal Funding
unknownKey Investors
Stone Point Capital
2025-03-03Private Equity
Leadership Team
D
Dana Hayes
Keller Williams Realty NWLA CEO/Team Leader
Mark Willis
Chief Executive Officer
Recent News
2025-10-16
Seattle TechFlash
2025-09-04
Company data provided by crunchbase