Senior Manager - IT Security Operations

Locations: Hoboken, Phoenix, Dallas

Palo Alto - Experience Required

The FIREWALL OPERATIONS MANAGER is principally responsible for ensuring the availability and operations for all security infrastructure for MMC world-wide. This includes firewalls, proxies, advanced malware prevention, data loss prevention, intrusion detection/prevention systems, etc. Additionally, the FIREWALL OPERATIONS MANAGER role will manage a team of distributed operations staff responsible for the daily change management, configuration management, patching, and system upgrades to the security infrastructure.

The FIREWALL OPERATIONS MANAGER will also actively participate in infrastructure deployment projects such as new firewall deployment, based on approved engineering designs, or migrations of existing services to new platforms such a migration to newer technologies. Across the information security function, this role will contribute to security solutions that will deliver high levels of performance, security, scalability, automation, maintainability, appropriate reusability and reliability throughout its lifecycle. When necessary, this position will participate in the Incident Response process relating to cybersecurity events or investigations. This role is accountable to maintain operational documentation, metrics, and SLAs necessary to facilitate a smooth running and predictable operational environment and will work with Information Security leadership to develop strategies and plans to enhance security, identify and close risks/gaps, and to enforce the firm's information security policies.

The FIREWALL OPERATIONS MANAGER is responsible for maintaining and managing a strong operational team, which may be located remotely, to successfully deliver on the operational requirements of the cybersecurity program at MMC while always operating at the highest levels of integrity.


  • Provide daily oversight for the 24/7/365 firewall operations function within the Global Information Security organization.
  • Manage the day to day operations of the security infrastructure operations team to include internal support tickets, firewall and security infrastructure changes, infrastructure. upgrades and patches, and other operational activities.
  • Ensure the team is performing all aspects of the operations function to the best of their abilities including critical analysis, response and remediation of cyber events, firewall rule changes, and internal support tickets.
  • End-to-End enterprise-wide tier II troubleshooting of network security technologies for performance and connectivity across the global MMC environment.
  • Execute daily ad-hoc tasks and lead small projects as needed.
  • Develop security processes and procedures, and supports service-level agreements (SLAs) to ensure that security controls are managed and maintained efficiently and effectively.
  • Identify and drive process improvement efforts across the operations function.
  • Create and maintain operational reports for Key Performance Indicators and daily / weekly / monthly metrics reports.
  • Partner with and provide information security expertise to the operating companies to provide guidance and direction on secure application hosting for internal and client facing application systems. Assess applications connectivity issues associated with application data flows through security infrastructure.
  • Participate in Computer Incident Response Teams (CIRT) as necessary by providing support to mitigate active security incidents possibly threatening the Global MMC computing environment.
  • 4-year college degree required
  • Minimum 5+ years of advanced network security operations experience with large scale operations spanning multiple business lines distributed globally.
Knowledge and skills:
  • Previous supervisory experience in a SOC or IT Operations Center required
  • Experience demonstrating knowledge of information security programs and operations, data security practices and procedures, including risk identification, network routing and connectivity technologies, and common cyber security attack vectors
  • Experience demonstrating knowledge of computer hardware/software technologies, and information security tools
  • Strong planning and organizational skills to set priorities and achieve goals
  • Strong analytical and problem-solving skills relating to firewall and security operations technologies
  • Strong ability to manage, train, and motivate and team of operational security staff and off-shift operations
  • Excellent verbal, written and interpersonal communication skills
  • Experience with security infrastructure related to Enterprise Log Management, IDP/IDS, Antivirus, Firewalls, Proxies, load-balancers, WAFs, VPN, DLP, Forensic Analysis and SIEM
  • Experience with evaluating TCP dumps/traces, strong knowledge of Perl required and familiarity with Java Script, and Python very useful
  • Knowledge of IT Security Standards and Frameworks including NIST beneficial
  • Strong working knowledge of Cisco and Palo Alto firewall products.
    Must be a self-starter, work with limited supervision & be able to work well with others in a globally diverse IT environment.
Other requirements:
  • CISSP, CISM or other related Information Security certifications preferred.
Marsh & McLennan Companies is a global professional services firm providing advice and solutions in the areas of risk, strategy and human capital. It is the parent company of a number of the world's leading risk experts and specialty consultants, including Marsh, the insurance broker and risk advisor; Guy Carpenter, the risk and reinsurance specialist; Mercer, the provider of HR and related financial advice and services; and Oliver Wyman, the management consultancy. With over 63,000 employees worldwide and annual revenue of over $13 billion, Marsh & McLennan Companies provides analysis, advice and transactional capabilities to clients in more than 130 countries. Its stock (ticker symbol: MMC) is listed on the New York, Chicago and London stock exchanges.

Marsh & McLennan Companies Corporate serves as an internal business function providing infrastructure and operational services to our family of companies. Through a shared vision and best practices, we provide efficient and sustainable solutions to meet internal customer business needs

Marsh & McLennan Companies offers competitive salaries and comprehensive benefits and programs including: health and welfare, tuition assistance, 401K, employee assistance program, domestic partnership benefits, career mobility, employee network groups, volunteer opportunities, and other programs. For more information about our company, please visit us at: We embrace a culture that celebrates and promotes the many backgrounds, heritages and perspectives of our colleagues and clients. For more information, please visit us at:

Marsh & McLennan Companies and its Affiliates are EOE Minority/Female/Disability/Vet/Sexual Orientation/Gender Identity employers.

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