Network Security Engineer Resume Example & Template

Use this sample as a starting point, then replace every line with your own numbers and tools. Hiring managers spend well under a minute on the first pass, so the top third has to say the job title, your strongest skills and one result.

DANIEL OKAFOR — Network Security Engineer Dallas, TX | (555) 014-2890 | name@email.com | linkedin.com/in/yourname

PROFESSIONAL SUMMARY Network security engineer with 5 years hardening enterprise networks. Cut critical vulnerabilities 64% in one year and led the Palo Alto migration for a 3,000-user company.

SKILLS Palo Alto and Fortinet firewalls, Cisco routing/switching, Splunk SIEM, IDS/IPS, VPN (IPsec, SSL), Zero Trust, NIST CSF, Wireshark, Python scripting

EXPERIENCE Network Security Engineer — Lonestar Financial Services, Dallas, TX (2022 to present)

Network Administrator — Trinity ISD, Dallas, TX (2020 to 2022)

EDUCATION B.S. Information Systems, University of North Texas, 2020

CERTIFICATIONS

• Migrated 11 sites from legacy firewalls to Palo Alto with zero unplanned downtime
• Cut critical vulnerabilities 64% in 12 months by building a patch-and-verify cycle with the infrastructure team
• Tuned Splunk alerts to drop false positives 45%, and cut incident triage time from 50 to 18 minutes
• Ran Cisco switching and wireless for 22 schools, 18,000 users
• Segmented staff and student networks into VLANs, closing a district audit finding
• CompTIA Security+
• Cisco CCNA
• Palo Alto PCNSE

• Experienced: Network security engineer with 6 years across firewalls, SIEM and incident response. Led a Zero Trust rollout for 4,500 users and passed two external audits with no critical findings.
• Career changer: Network administrator moving into security: CCNA and Security+ certified, segmented a 22-site network into VLANs and ran the district's first vulnerability-scan program.
• No experience / new grad: Cybersecurity graduate with Security+ and a home lab (pfSense, Splunk, 2 documented attack-and-defend exercises); top-10 finish in a 300-team university CTF.

Mirror the exact wording of the job posting; applicant tracking systems match keywords literally.

Soft skills employers screen for in interviews: incident communication, writing findings for auditors, staying calm during outages.

• Firewalls by vendor: Palo Alto, Fortinet, Cisco ASA/Firepower
• Routing and switching: Cisco, VLANs, segmentation
• SIEM: Splunk, Microsoft Sentinel or QRadar; log analysis
• IDS/IPS, EDR, vulnerability scanners (Nessus, Qualys)
• VPN and remote access: IPsec, SSL, Zero Trust (ZTNA)
• Frameworks: NIST CSF, CIS Controls, PCI DSS where relevant
• Packet analysis (Wireshark) and scripting (Python, Bash)

Entry level:

Mid-level:

Senior:

• Built a home lab with pfSense, Security Onion and Splunk; documented 5 detection use cases on GitHub
• Monitored IDS alerts in a SOC internship, escalating 40+ true positives with full triage notes
• Rolled out 802.1X network access control to 3,000 endpoints with a 2-week pilot and zero lockout incidents
• Automated firewall rule reviews with Python, retiring 900 stale rules in one quarter
• Designed the security architecture for a two-datacenter consolidation, including segmentation and ZTNA
• Led incident response for a ransomware attempt: contained in 40 minutes, no data loss, board-level report delivered

The Network Security Engineer resume template that matches this example is free to download as a PDF or an editable Word file. Open the Resume Templates page (the Resume Templates link above this article, or in the footer of any page), find the Network Security Engineer card and choose PDF or Word. The same page has a free ATS checker, so you can test your finished resume before you apply.

• Use standard section headings (Summary, Skills, Experience, Education) and a single-column layout with no tables, text boxes or graphics.
• Copy the job title and the top 6 to 8 skills from the posting into your resume wherever they are true for you.
• Start every bullet with an action verb and end with a number: volume handled, time saved, accuracy, money, people.
• Save as a PDF named Firstname-Lastname-Resume.pdf unless the posting asks for Word.
• Keep it to one page for under 10 years of experience; two pages only when every line earns its place.
• List certifications in a dedicated section near the top; many screens filter on Security+, CCNA and vendor certs.

• Can I get a network security job with no experience? The usual route is help desk or network admin first, plus Security+ and a documented home lab; SOC analyst roles are the most common entry point.
• Which certifications matter most on this resume? CompTIA Security+ and Cisco CCNA to pass screens; vendor firewall certs (PCNSE, NSE) and CISSP (needs 5 years) for senior roles.
• Network engineer vs network security engineer resume: what changes? Lead with security projects (segmentation, firewall policy, incident response) and tie routing/switching work to risk reduced, not just uptime.