- Company Name
- Electus Recruitment Solutions
- Job Title
- Network Security Engineer
- Job Description
-
**Job Title:** Network Security Engineer (SOC)
**Role Summary:**
Responsible for safeguarding the organization’s network infrastructure through design, implementation, and maintenance of robust security solutions. Performs continuous monitoring, incident response, triage, and vulnerability management within a 24x7 Internal Security Response team. Optimizes and standardizes security tools, collaborates with cross‑functional teams, and ensures compliance with industry best practices.
**Expectations:**
- Hold or be eligible for a DV/SC level Government Security Clearance.
- British citizen, meeting all nationality and security vetting requirements.
- Willingness to work on shift schedules (on‑site).
**Key Responsibilities:**
- Design, deploy, and maintain firewalls (Cisco, Checkpoint, Palo Alto) and next‑gen security features (IPS/IDS, SSL decryption, DPI).
- Configure and manage secure proxy solutions (Bluecoat, F5) for content filtering and SSL inspection.
- Monitor network traffic using tools such as PRTG, Nagios; conduct packet capture analysis to detect malicious activity (C2, lateral movement, exfiltration).
- Triage and resolve Tier 1 SOC alerts, collaborating with SOC analysts.
- Identify and remediate vulnerabilities; oversee secure implementation of changes.
- Optimize security tools and contribute to standardization of network security assets.
- Apply knowledge of security protocols (IPSec, SSL/TLS, VPNs, 2FA), network zones (DMZ, internal), and network architectures.
- Perform root‑cause analysis for application traffic flows and LDAP-related incidents.
**Required Skills:**
- Strong networking fundamentals (TCP/IP, DNS, routing, switching, VLANs, load balancing).
- Hands‑on experience with firewall configuration, next‑gen features, and secure proxy policies.
- Proficiency in security protocols (IPSec, SSL/TLS, VPN, 2FA).
- Knowledge of network architectures, security zones, and DMZ design.
- Monitoring experience with PRTG, Nagios, and SIEM tools (Splunk ES, LogRhythm).
- Packet capture analysis and understanding of OSI model and network protocols (DNS, HTTP/S, SMTP, FTP/S, LDAP/S).
- Ability to interpret complex traffic, identify attacker behavior, and produce actionable insights.
- Experience with SOC alerting, triage, and incident management processes.
**Required Education & Certifications:**
- Minimum of a bachelor’s degree in Computer Science, Information Security, or related field (preferred).
- Relevant certifications: CCNA/CCNP, Palo Alto, Checkpoint, CompTIA Security+, or equivalent.
- Valid Government Security Clearance to SC level or eligibility to obtain.
Stevenage, United kingdom
On site
26-01-2026