Senior Information Security Specialist

Key Responsibilities

• Plan, document, and implement firewall opening requests
• Communicate effectively with both internal and external clients regarding firewall-related matters
• Troubleshoot and resolve sophisticated firewall-related incidents
• Perform firewall upgrades including comprehensive pre- and post-implementation checks
• Collaborate daily with cross-functional teams on firewall requests, incidents, and upgrades
• Participate in Change Advisory Board (CAB) meetings and represent firewall changes
• Analyze security alerts and submit incident tickets as needed
• Follow established processes to complete firewall requests within defined SLAs
• Support 24/7 on-call rotation as required
• Utilize knowledge base for threat identification and provide mitigation plans

Required Qualifications

• Bachelor's degree in Computer Science, Information Systems, or related discipline (or equivalent work experience)
• Minimum 8 years of relevant information security experience
• Strong understanding of OSI layers and network security technologies
• Expertise with firewall hardware products: Cisco ASA, Fortinet, Palo Alto, Checkpoint
• Proficiency with Firewall Management products: Panorama, FortiManager, Checkpoint Management Server
• Solid understanding of VPN concepts (Site-to-Site IPSec VPN, SSL Remote VPN)
• Basic knowledge of IDS/IPS technologies
• Understanding of attack methodologies including scans, man-in-the-middle, sniffing, DoS attacks, and malicious activities (worms, Trojans, viruses)
• Experience with IT Operations tools such as ITSM and Jira
• Strong understanding of ITIL processes
• Knowledge of Change Management, Incident Management, and Problem Management processes

Preferred Qualifications

• Experience with log analysis tools such as Splunk
• Familiarity with firewall OS upgrade processes for different vendors (standalone and High Availability configurations)
• Experience with firewall analyzer tools (Skybox, AlgoSec, etc.) for security policy and configuration analysis
• Network monitoring tool experience (e.g., NNMi)
• Ability to learn new technologies, including Cloud technologies and Terraform deployments

This position will be located in Denver, and offers the opportunity for a hybrid work environment (at least 3 days a week in office, subject to change), providing flexibility and accessibility for qualified candidates.

Applicants must be authorized to work in the U.S. without the need for employment-based visa sponsorship now or in the future; Nasdaq will not sponsor applicants for U.S. work visa status for this opportunity (no sponsorship is available for H-1B, L-1, TN, O-1, E-3, H-1B1, F-1, J-1, OPT, CPT or any other employment-based visa)

Come as You Are

Nasdaq is an equal opportunity employer. We positively encourage applications from suitably qualified and eligible candidates regardless of age, color, disability, national origin, ancestry, race, religion, gender, sexual orientation, gender identity and/or expression, veteran status, genetic information, or any other status protected by applicable law.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request an accommodation.

What We Offer

We’re proud to offer a competitive rewards package that is meaningful, recognizes the unique needs of our employees and their families and incentivizes employees for their contribution to Nasdaq’s overall success.

Nasdaq’s programs and rewards are intended to allow our employees to:

• Secure Wealth: 401(k) program with 6% employer match, Employee Stock Purchase Program with 15% discount, Student loan repayment program up to $10k, Company paid life and disability plans, Generous paid time off
• Prioritize Health: Comprehensive medical, dental and vision coverage, Health spending account with employer contribution, Paid flex days to support mental wellbeing, Gym membership discounts
• Care for Family: Hybrid home/office schedule (for most positions), Paid parental leave, Fertility benefits, Paid bereavement leave
• Connect with Community: Company gift matching program, Employee resource groups, Paid volunteer days
• Grow Career: Education Assistance Program, Robust job skills training and Professional development opportunities

For more information, visit Nasdaq Benefits & Rewards Career page.