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Network Security Engineer (SOC)

Job Description

Please note this role will require candidates to gain DV Clearance.

An exciting opportunity for a passionate Network Security Engineer to join a unique, multi-national Information Management function. Ideal candidates should be committed to protecting critical systems and ensuring the integrity and security of the network infrastructure.

The opportunity:

Join a forward thinking team as a Network Security Engineer, where you will play a key role in safeguarding our clients’ organisations’ network infrastructure as part of the 24x7 Internal Security Response (ISR) team.

When not involved in incident response and triage activity with the SOC team, you will be responsible for designing, implementing and maintaining robust security solutions to protect against evolving threats. Collaborating with cross-functional teams, you will work on implementing changes securely, identifying vulnerabilities, managing security incidents and ensuring compliance with industry best practices.

The role will be involved in the optimisation of network security tools to remediate “purple team” highlighted areas identified for improvement. You will also have the opportunity to immerse your time into the standardisation of network tools.

This is a dynamic opportunity to contribute to security initiatives, solve complex challenges, and have a direct impact on the overall resilience of the IT environment.

What we're looking for from you:

ESSENTIALS

• Solid understanding of networking principles (TCP/IP, DNS, routing, switching, VLANS and load balancing)
• Strong expertise in configuring, maintaining and troubleshooting firewalls e.g. Cisco, Checkpoint, Palo Alto.
• Demonstrable hands-on experience in next-gen firewalls and advancing security features like IPS/IDS, SSL decryption and deep packet inspection.
• Proven experience in managing secure proxy solutions (e.g. Bluecoat, F5) and the ability to implement policies for content filtering, SSL inspection and network traffic monitoring.
• In depth knowledge of security protocols such as IPSec, SSL / TLS, VPNs and two factor authentication.
• Understanding of network architectures and security zones (DMZ, internal networks).
• Proficient in monitoring technologies e.g. PRTG, Nagios.

DESIRABLES

• Understanding of cyber security capabilities and their integrations to networks infrastructure.
• Existing knowledge of / aptitude to learn Darktrace Antigena and Respond, Splunk ES or Log Rhythm tools.
• Strong ability to interpret complex information via use of packet capture in order to identify malicious traffic in detail, revealing attacker behaviours like C2, exploitation, lateral movement, or data exfiltration.
• Proven ability to review SOC alerting in collaboration with SOC analysts to effectively triage and manage Tier 1 SOC alerts to the appropriate outcome.
• Experience with LDAP, and application traffic flow root cause analysis.
• Previous experience to identify root cause from (TBC for review – Demonstrable understanding of the OSI Reference Model and the network communication protocols, including but not limited to DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S. Demonstrable experience with Security Information Event Monitoring Tools and/or Network Packet Capture tools).

Overview

Position - Network Security Engineer (SOC) – Permanent

Location – Stevenage (Onsite Shift work)

Salary - £50k (Plus £2k bonus and shift allowance)

Keywords: Network Security Engineer, SOC, Security Operations Center, Firewalls, Incident Response, Security Incidents, Networking Principles, Virtual Private Networks, Security Protocols, Vulnerabilities, Threats.

Only apply for this role if you currently hold the specific Government Security Clearance or are eligible for Government Security Clearance.

Due to the nature of work undertaken at our client's site, incumbents of these positions are required to meet special nationality rules and therefore these vacancies are only open to sole British Citizens. Applicants who meet this criteria will also be required to undergo security clearance vetting, if not already security cleared to a minimum SC level.

Electus Recruitment Solutions provides specialist engineering and technical recruitment solutions to a number of high technology industries. We thank you for your interest in this vacancy. If you don't hear from us within 7 working days please presume your application has been unsuccessful on this occasion. You are of course free to resubmit your CV/details in the future and we shall assess your suitability at that time.

This is a Permanent Role

• Designing, implementing, and managing network security infrastructure, including firewalls, IDS/IPS, VPNs, and SIEM solutions.
• Monitoring network traffic for security breaches and intrusions, and responding to security incidents.
• Conducting vulnerability assessments and penetration testing to identify and mitigate security risks.
• Developing and enforcing network security policies, procedures, and best practices.
• Configuring and maintaining security devices and systems to ensure optimal performance and protection.
• Staying up-to-date with the latest cybersecurity threats, trends, and technologies.
• Collaborating with IT and network operations teams to troubleshoot security-related issues.
• Participating in security awareness training for employees.
• Ensuring compliance with relevant security standards and regulations (e.g., ISO 27001).
• Maintaining accurate documentation of network security configurations and procedures.

• Design, implement, and manage network security solutions, including firewalls, VPNs, intrusion detection/prevention systems (IDPS), and access control mechanisms.
• Monitor network traffic and security alerts, investigating and responding to security incidents in a timely and effective manner.
• Conduct regular vulnerability assessments and penetration testing to identify and remediate security weaknesses.
• Develop and enforce security policies, standards, and procedures to ensure a secure network environment.
• Stay up-to-date with the latest cybersecurity threats, vulnerabilities, and technologies.
• Collaborate with IT teams to ensure security best practices are integrated into all network infrastructure projects.
• Provide technical expertise and support for network security-related issues.
• Develop and deliver security awareness training to employees.
• Manage security hardware and software, ensuring they are up-to-date and properly configured.
• Maintain accurate documentation of network security configurations, policies, and procedures.

• Design, implement, and manage network security solutions, including firewalls, VPNs, IDS/IPS systems, and access control mechanisms.
• Monitor network traffic for security breaches and anomalous activity, conducting investigations and providing rapid response to incidents.
• Develop and enforce security policies, procedures, and best practices across the network.
• Conduct regular vulnerability assessments and penetration testing to identify and remediate security weaknesses.
• Stay abreast of the latest cybersecurity threats, trends, and technologies, recommending and implementing proactive security enhancements.
• Collaborate with IT and engineering teams to integrate security considerations into network design and deployment.
• Manage security-related incidents, including incident response, forensic analysis, and post-incident reporting.
• Ensure compliance with relevant industry regulations and standards (e.g., ISO 27001, GDPR).
• Configure and maintain network security hardware and software, ensuring optimal performance and reliability.
• Develop and deliver security awareness training to relevant personnel.
• Contribute to capacity planning and network architecture decisions from a security perspective.
• Automate security processes where possible to improve efficiency and effectiveness.

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
• Minimum of 5 years of hands-on experience in network security engineering.
• In-depth knowledge of TCP/IP, routing protocols, and network architectures.
• Proficiency with various firewall platforms (e.g., Cisco ASA, Palo Alto, Fortinet) and security technologies.
• Experience with intrusion detection and prevention systems (IDS/IPS).
• Familiarity with SIEM (Security Information and Event Management) solutions.
• Strong understanding of encryption technologies and protocols.
• Relevant security certifications such as CISSP, CCSP, CCNP Security, or equivalent are highly desirable.
• Excellent analytical, problem-solving, and troubleshooting skills.
• Ability to work independently and manage multiple priorities in a fast-paced environment.
• Exceptional communication skills, both written and verbal.

• Design, deploy, and maintain network security infrastructure, including firewalls, intrusion detection/prevention systems (IDPS), VPNs, and secure network gateways.
• Monitor network performance and security events, identifying and investigating potential security breaches or anomalies.
• Develop and implement security policies, procedures, and guidelines to protect the company's assets.
• Conduct regular vulnerability assessments and penetration testing to identify and remediate security weaknesses.
• Respond to and resolve security incidents in a timely and effective manner, coordinating incident response activities.
• Collaborate with IT teams to ensure network security is integrated into all system designs and deployments.
• Stay current with the latest cybersecurity threats, trends, and technologies, recommending and implementing appropriate countermeasures.
• Develop and maintain security documentation, including network diagrams, standard operating procedures, and incident response plans.
• Provide technical expertise and guidance on network security best practices to internal teams.
• Participate in the evaluation and selection of new security technologies and solutions.
• Ensure compliance with relevant security standards and regulations.

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field; relevant certifications (e.g., CISSP, CCNP Security) are highly desirable.
• Proven experience (5+ years) in network security engineering or a similar role.
• Strong knowledge of network protocols (TCP/IP, DNS, DHCP), network architecture, and security principles.
• Hands-on experience with various security technologies such as firewalls (Palo Alto, Cisco ASA), IDS/IPS, SIEM (Splunk, ELK), VPNs, and endpoint security solutions.
• Experience with cloud security (AWS, Azure, GCP) is a plus.
• Excellent analytical, problem-solving, and troubleshooting skills.
• Ability to work independently and manage multiple priorities in a remote environment.
• Strong communication and collaboration skills, with the ability to explain technical concepts to non-technical audiences.
• Familiarity with scripting languages (e.g., Python, Bash) for automation is advantageous.

• Design, implement, and maintain network security infrastructure, including firewalls, IDS/IPS, and VPNs.
• Monitor network traffic for security breaches and perform forensic analysis of security incidents.
• Develop and enforce security policies and procedures across the network.
• Conduct regular security assessments and vulnerability scans of network systems.
• Respond to security incidents, providing timely resolution and post-incident analysis.
• Collaborate with IT and network teams to integrate security measures into existing infrastructure.
• Manage security logging and reporting systems, providing regular security status updates.
• Research and recommend new security technologies and best practices.
• Provide security awareness training to employees.
• Ensure compliance with relevant industry regulations and standards.

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
• Minimum of 4-6 years of experience in network security engineering.
• In-depth knowledge of TCP/IP, routing protocols, and network security principles.
• Hands-on experience with firewall management (e.g., Cisco ASA, Palo Alto, Fortinet) and IDS/IPS solutions.
• Experience with SIEM tools and security event analysis.
• Familiarity with cloud security concepts and platforms (AWS, Azure).
• Excellent analytical and troubleshooting skills.
• Strong communication and interpersonal skills, with the ability to work effectively in a team.
• Relevant security certifications (e.g., CISSP, CEH, CCNA Security) are highly preferred.