Network Security Specialist

IREN

$80K — $95K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Information Security, or similar field
  • 3+ years experience in network security or cybersecurity, preferably in a data center
  • Strong understanding of network protocols and firewall architectures
  • Hands-on experience with security technologies like Cisco ASA and Palo Alto Networks
  • Familiarity with compliance frameworks such as ISO 27001 and HIPAA
  • Excellent problem-solving skills and attention to detail
  • Strong verbal and written communication skills

Responsibilities

  • Design and implement secure network infrastructure for various environments
  • Monitor and respond to network security incidents using various tools
  • Manage and maintain ACLs for AWS and other infrastructures
  • Maintain firewalls and VPNs with policy enforcement
  • Conduct vulnerability assessments and mitigate risks
  • Update network security configurations to ensure compliance
  • Collaborate with teams to align security with business needs
  • Stay informed on emerging threats and security technologies
  • Assist in disaster recovery and incident response planning
  • Provide security awareness training to stakeholders
  • Enforce two-factor authentication for high-security access

Benefits

  • Health, Disability, Life, Vision, and Dental Insurance
  • 401k Retirement Plan
Full Job Description
Job description

Job requirements

  • Bachelor's degree in Computer Science, Information Security, or a related field.
  • 3+ years of experience in a network security or cybersecurity role, preferably in a data center or high-availability environment.
  • Strong understanding of network protocols, routing, switching, and firewall architectures.
  • Hands-on experience with security technologies such as Cisco ASA, Fortinet, Palo Alto Networks, IDS/IPS, SIEM platforms, and endpoint protection solutions.
  • Familiarity with compliance frameworks such as ISO 27001, NIST, HIPAA, or SOC 2.
  • Excellent problem-solving skills and attention to detail.
  • Strong communication skills, both verbal and written.

Preferred Certifications
  • Certified Information Systems Security Professional (CISSP)
  • Cisco Certified Network Associate (CCNA) Security or CCNP Security
  • CompTIA Security+, CySA+, or CASP+
  • Certified Ethical Hacker (CEH)

Other important requirements:
  • Pre-employment screening, including background check and substance testing may be required according to company policies.
  • Must provide own steel-toed work boots; other PPE will be supplied.
  • Must be able to reliably commute to the work site daily or have plans to relocate before starting work.


Job responsibilities

  • Design and implement secure network infrastructure for Offices, Data Centers, and cloud solutions, ensuring secure communications between systems and customers.
  • Monitor, detect, and respond to network security incidents using SIEM tools, firewalls, intrusion detection systems (IDS/IPS), and other monitoring technologies.
  • Manage and maintain ACL's for AWS, Tailscale, or other ACL based infrastructure.
  • Manage firewalls and VPNs, including rule set maintenance, patching, and policy enforcement.
  • Conduct regular vulnerability assessments and penetration tests; mitigate identified risks and implement corrective measures.
  • Maintain and update network security configurations and documentation; enforce best practices and regulatory compliance (e.g., ISO 27001, SOC 2, PCI-DSS).
  • Collaborate with internal teams, including network engineers, system administrators, and client service teams, to align security requirements with business operations.
  • Stay current on emerging threats, vulnerabilities, and security technologies to proactively protect company and customer assets.
  • Assist in developing and maintaining disaster recovery and incident response plans.
  • Provide security awareness training and guidance to internal stakeholders.
  • Enforce 2FA authentication practices for access to high security systems


Job benefits

  • Health Insurance, Disability Insurance, Life Insurance, Vision care & Dental care
  • 401k Retirement Plan

We value diverse perspectives and believe that skills can be developed. If you're passionate about this role, we want to hear from you - whether you meet every criteria or not. Your unique experiences might be exactly what we need!

This job will remain posted until filled. While we appreciate all applications we receive, we are only able to contact candidates under consideration.

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