We are seeking a Network Security Engineer who will manage end-to-end solution design and be responsible for delivering design documents in line with functional and non-functional business requirements, strategies, principles, standards, and patterns. Alongside the creation of high-level designs, you will be required to publish new architecture patterns, key decisions, design deviations, and technical risks and issues where appropriate.
You will work with stakeholders including the relevant enterprise architect to ensure design decisions in delivery align to strategic direction. You should be comfortable presenting and sharing solutions at design authorities and senior leadership & stakeholders.
Preferred Requirements
Cybersecurity Expertise:
* Significant experience and proven technical depth and experience within network & infrastructure security, such as; Network Security Controls: Firewalls, WAF, software-defined network segmentation, IDS/IPS, Proxies and NAC.
* Segmentation and Micro-Segmentation: Dividing the network into smaller, isolated segments to limit attack surfaces and ensuring ongoing connectivity across zones.
* Secure Protocols: Implementing secure communication protocols like TLS/SSL, IPsec, and SSH.
* Network Traffic Analysis: Interpretation & monitoring and analysing network traffic to detect and respond to anomalies.
* Network Security Policies: Definition and enforcement of policies for secure network operations and access.
* Secure Baselining: Enforcement secure configurations for systems and applications. Redundancy and High Availability: Designing systems to maintain operations and availability during failures. Disaster Recovery Planning: Creating and testing plans for recovering from major incidents or disasters.
* Broad background across information technology with the ability to communicate clearly with non-security technical SMEs at a comfortable level.
* Experience and understanding of both the roles and interlock between enterprise & solution architecture.
* Experience in both operational and transformation cybersecurity roles or a clear working understanding of both perspectives.
* Experience working in large-scale IT transformation programs.
* Ability to manage separation of control from technical design authority responsibilities - represent Cyber Services at technical and security design authorities to ensure that solutions are secure.
* Experience ensuring compliance with security controls to identify control gaps, develop remediation plans and determine residual risk across both local and national programs.
Qualifications & Certifications
* Bachelors or master’s degree in cybersecurity, computer science, software engineering, or related field preferred.
* CISSP/CISM certification or other broad cybersecurity industry-recognised certificate preferred.
* SABSA or TOGAF certified preferred.
Platform & Technology
* Working experience with CheckPoint, Illumio, and/or Fortinet or similar related firewall technology.
* BizzDesign, Archi, or generic UML visualisation experience for high-level designs.
* High proficiency and expertise in Jira for project & tasks management.
* Working proficiency in Confluence for documentation.
Working at DevNull Security
While DevNull Security is a remote-first company, our consulting team may be required to travel to client sites 1–3 times per week, depending on project and customer needs.
We believe that a career in cybersecurity should be accessible to everyone. We actively welcome applicants from all walks of life, regardless of race, ethnicity, gender identity, age, sexual orientation, disability, neurodiversity, socioeconomic background, or any other aspect of identity.
As a growing company, we’re committed to fostering an inclusive, equitable, and accessible hiring experience. We proactively offer adjustments during application and assessment - tell us what you need.
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