Network Security Engineer - Cybersecurity

Are you passionate about protecting digital assets and ensuring robust cybersecurity? We are seeking a dedicated and motivated Cybersecurity Network Engineer to join our team. Collaborate with engineers to secure network, cloud, and system infrastructure through implementing controls and monitoring.

• Work with engineering teams to define and fulfill operational requirements while upholding the highest standards of security protocols and compliance.
• Monitor and maintain security for network, cloud, PKI, and system environments, implementing controls to safeguard information systems, applications, and infrastructure.
• Ensure access control systems effectively prevent unauthorized modification, destruction, or disclosure of sensitive information.
• Monitor, assess, respond to security risks in systems, networks, and clouds; find causes, identify threats, suggest solutions according to policies.
• Conduct security risk and vulnerability assessments, as well as business impact analyses for threats of moderate complexity in both on-premises and cloud environments.
• Provide expert troubleshooting and support for complex security-related issues that have been advanced, including those beyond the Help Desk’s scope.
• Develop detailed reports to pinpoint security risks and propose suitable mitigation strategies.
• Oversee and resolve user access issues, enforce least-privilege principles, and develop solutions to prevent future access-related security concerns.
• Assist with internal and external audits, providing necessary evidence and contributing to change management reporting and security impact assessments.
• Manage cloud security services like cloud proxy/VPN and XDR platforms for secure access and threat detection.
• Support PKI infrastructure, including certificate lifecycle management and secure key handling.
• Operate and monitor cloud network components and integrations, applying Secure Access Service Edge (SASE) principles to protect distributed users and cloud access.
• Implement and maintain network security controls such as firewalls, IDS/IPS, segmentation strategies, and enforce access control policies (ACLs, NACLs, identity-based segmentation) across hybrid environments.
• Investigate, contain, and resolve network-based security incidents, and contribute to comprehensive post-incident reviews.
• Collaborate with network and cloud engineering teams to ensure the secure design and implementation of cloud-native and hybrid solutions.

• Proven experience in information security, cybersecurity operations, or a related field.
• Hands-on experience with cloud-based security services, network security controls, and incident response.
• Familiarity with SASE, firewalls, IDS/IPS, PKI infrastructure, and certificate management.
• Strong analytical and problem-solving skills, with the ability to assess complex security risks and develop effective mitigation strategies.
• Excellent communication and collaboration abilities.
• Relevant certifications (e.g., CISSP, CISM, CEH, or similar) are a plus.

• Three days a week at a Guardian office on New York, NY, Holmdel, NJ, Bethlehem, PA or Stamford, CT.

Salary Range:

The salary range reflected above is a good faith estimate of base pay for the primary location of the position. The salary for this position ultimately will be determined based on the education, experience, knowledge, and abilities of the successful candidate. In addition to salary, this role may also be eligible for annual, sales, or other incentive compensation.

Our Promise

At Guardian, you’ll have the support and flexibility to achieve your professional and personal goals.  Through skill-building, leadership development and philanthropic opportunities, we provide opportunities to build communities and grow your career, surrounded by diverse colleagues with high ethical standards.

Inspire Well-Being

As part of Guardian’s Purpose – to inspire well-being – we are committed to offering contemporary, supportive, flexible, and inclusive benefits and resources to our colleagues. Explore our company benefits at www.guardianlife.com/careers/corporate/benefits. Benefits apply to full-time eligible employees. Interns are not eligible for most Company benefits.

Equal Employment Opportunity

Guardian is an equal opportunity employer. All qualified applicants will be considered for employment without regard to age, race, color, creed, religion, sex, affectional or sexual orientation, national origin, ancestry, marital status, disability, military or veteran status, or any other classification protected by applicable law.

Accommodations

Guardian is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. Guardian also provides reasonable accommodations to qualified job applicants (and employees) to accommodate the individual's known limitations related to pregnancy, childbirth, or related medical conditions, unless doing so would create an undue hardship. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact [email protected]. Please note: this resource is for accommodation requests only. For all other inquires related to your application and careers at Guardian, refer to the Guardian Careers site.

Visa Sponsorship

Guardian is not currently or in the foreseeable future sponsoring employment visas. In order to be a successful applicant. you must be legally authorized to work in the United States, without the need for employer sponsorship.

Current Guardian Colleagues: Please apply through the internal Jobs Hub in Workday.