Senior Security Administrator – In Office 10 days/Month
National Guardian Life Insurance Company
full-time
Posted on:
Location Type: Hybrid
Location: Madison • Wisconsin • United States
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Job Level
About the role
- Manage, and maintain enterprise-grade network security systems, with a primary focus on next-generation firewalls, intrusion prevention/detection systems (IPS/IDS), data loss prevention (DLP), web content filtering, and endpoint protection solutions.
- Monitor, analyze, and respond to network security events and alerts, including those from firewalls, SIEM, and intrusion detection systems.
- Participate in threat hunting and incident response activities, helping to identify and remediate malicious activity across the network.
- Continuously optimize security controls and configurations, especially firewall and network security policies, through tuning and validation of alerts and rule sets in collaboration with IT and security teams.
- Support troubleshooting and resolution of issues related to firewall configurations, VPNs, secure remote access, and other network security controls, ensuring the availability, integrity, and confidentiality of network services.
- Contribute to continual assessment of internal security controls, including their design and mitigations and assist in resolving monitor gaps and misconfigurations.
- Provide mentorship, guidance and support to developing team members.
- Lead and contribute to the training and onboarding of new and existing team members.
- Stay current of technology advancements and security trends.
- Maintain awareness of current and emerging threats, vulnerabilities, and exploits affecting network infrastructure, including timely documentation, tracking, and mitigation of relevant vulnerabilities using intelligence-driven cybersecurity practices.
- Promote a culture of security awareness by educating employees on secure practices, phishing threats, and general cybersecurity hygiene during engagements or when opportunities arise.
- Execute tasks and projects ensuring all are completed by assigned deadlines.
- Perform other duties as assigned, particularly those related improving security posture and aligning with the organization’s cybersecurity objectives.
Requirements
- In-depth understanding of network security fundamentals, including secure network architecture, segmentation, firewall rule management, VPN technologies, and perimeter defense strategies
- Strong understanding of enterprise-level detection and prevention technologies, such as intrusion detection/prevention systems (IDS/IPS), next-generation firewalls (NGFW), endpoint detection and response (EDR), and security information and event management (SIEM) systems
- Proficient in security operations and incident handling processes, including security monitoring, data correlation, alert triage, root cause analysis, and threat containment and remediation
- Solid knowledge of vulnerability management practices, including identification, prioritization, tracking, and remediation of vulnerabilities across network, system, and application layers
- Strong background in system administration and networking, including TCP/IP fundamentals, OSI model, and operating system and network device hardening techniques based on CIS Benchmarks or equivalent
- Demonstrated experience collaborating with software and hardware vendors to design, integrate, and implement security solutions
- Ability to work both independently and collaboratively, with excellent verbal and written communication skills for interacting with cross-functional teams, technical staff, and non-technical stakeholders
- Understanding of cybersecurity frameworks and standards, such as NIST Cybersecurity Framework, NIST SP 800-171, CIS Controls, ISO/IEC 27001 and CMMC 2.0
- Familiarity with cloud security principles, including cloud-native firewall services and Infrastructure as Code (IaC) security practices in platforms like AWS and Azure is a plus
- Exceptional attention to detail and ability to work under pressure
- Excellent critical thinking and problem-solving skills
- Genuine passion for cybersecurity and emerging technologies, with a continuous improvement mindset and a commitment to staying current on evolving threats, tools, and security trends.
Benefits
- 20 days of Paid Time Off growing to 25 days after 5 years
- 11 Paid Holidays (10 company holidays and 1 personal holiday of your choice)
- Health care, dental and vision plans
- Up to $1,500 (Family) or $1,000 (Single) annually towards a Health Savings Account
- Annual bonus based on company performance
- Paid Parental Leave
- 401(k) match up to 9%
- Paid Sabbatical after 8 years
- Paid Volunteer Time
- Education Assistance Program
- Employee Recognition Program
- And much more!
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
network securitynext-generation firewallsintrusion prevention systemsdata loss preventionweb content filteringendpoint protectionsecurity information and event managementvulnerability managementTCP/IPoperating system hardening
Soft skills
mentorshipcommunicationcollaborationattention to detailcritical thinkingproblem-solvingindependent workteamworktrainingtime management
Certifications
NIST Cybersecurity FrameworkNIST SP 800-171CIS ControlsISO/IEC 27001CMMC 2.0