Senior Network Security Engineer

ZipStaff Inc.

Washington, District of Columbia

$47–$49
Instant Apply

6 days ago

Job Description

Job Title: Senior Network Security Engineer

Location: Washington, DC (Onsite)

Employment Type: W2 Contract

Duration: 11 months

About the Opportunity:

ZipStaff is hiring a Senior Network Security Engineer for our client, a major U.S. passenger rail transportation organization based in Washington, DC. As a technical leader, you will design, implement and optimize perimeter and infrastructure security controls across on-premises networks and AWS/Azure, with a heavy focus on Palo Alto Networks firewalls.

What You'll Do:

Lead design, configuration, rule maintenance and optimization of enterprise Palo Alto firewalls and perimeter platforms.
Maintain WAF, IDS/IPS, VPN and NAC technologies.
Partner with cloud, network and application teams on secure AWS and Azure architectures.
Respond to network security incidents, monitor via SIEM, perform threat hunting and root-cause investigations.
Conduct security reviews and risk assessments aligned with NIST, CIS, PCI-DSS, HIPAA and ISO.
Automate security tasks with Python, PowerShell or Bash.
Maintain runbooks, network diagrams and SOPs.
Mentor junior engineers and support maintenance windows, after-hours work and emergency response.

Required Qualifications:

Bachelor's in Cybersecurity, Computer Science, IT, Engineering or related field.
11+ years of cybersecurity engineering focused on enterprise network and firewall security.
Advanced hands-on Palo Alto Networks firewall administration.
Deep knowledge of TCP/IP, routing, switching, VPNs, WAN/LAN and perimeter defense.
Experience with IDS/IPS, SIEM, EDR, DLP, CASB and WAF.
Securing AWS and Azure cloud infrastructure.
Scripting in Python, PowerShell or Bash.
Understanding of NIST, CIS Controls, PCI-DSS, HIPAA and ISO 27001.
Strong problem-solving, communication and stakeholder skills.

Nice to Have:

Master's degree in Cybersecurity or IT.
PCNSE, CISSP, CCNP Security, GIAC, CEH or Security+.
SOC experience.
Zero Trust architectures and cloud-native security tools.

Benefits:

Health Insurance.
Dental Insurance.
Vision Insurance.
401(k) + 401(k) matching.
Paid time off.
Referral Program.

About ZipStaff:

ZipStaff connects skilled technology professionals with leading organizations across the United States, matching top talent with impactful contract and full-time opportunities. To apply, submit your resume through this posting. Qualified candidates will be contacted by a ZipStaff recruiter.

Numbers & Facts

Location	Washington, District of Columbia
Salary	$47–$49

Skills

Amazon Web Services (AWS)unmatched
Bash Scriptingunmatched
CCNP - Cisco Certified Network Professionalunmatched
CISSP - Certified Information Systems Security Professionalunmatched
Cloud Architectureunmatched
Cloud Computingunmatched
CompTIA Security+unmatched
Computer Scienceunmatched
Computer Securityunmatched
Emergency Responseunmatched
Firewall Administrationunmatched
Firewallsunmatched
GIAC - Global Information Assurance Certificationunmatched
HIPAA (Health Insurance Portability and Accountability Act)unmatched
Huntingunmatched
IP (Internet Protocol) Routingunmatched
ISO (International Organization for Standardization)unmatched
Information Technology & Information Systemsunmatched
Internet Securityunmatched
Intrusion Detection Systemsunmatched
Intrusion Prevention Systemsunmatched
Local Area Network (LAN)unmatched
Mentoringunmatched
Microsoft Windows Azureunmatched
Network Access Control (NAC)unmatched
Network Administration/Managementunmatched
Network Architecture/Engineeringunmatched
Network Routingunmatched
Network Securityunmatched
Network Switchingunmatched
PCI-DSSunmatched
Problem Solving Skillsunmatched
Python Programming/Scripting Languageunmatched
Risk Analysisunmatched
Root Cause Analysisunmatched
Scripting (Scripting Languages)unmatched
Security Analysisunmatched
Security Information and Event Management (SIEM)unmatched
Security Monitoringunmatched
Standard Operating Procedures (SOP)unmatched
TCP/IP (Transmission Control Protocol/Internet Protocol)unmatched
Technical Leadershipunmatched
Train Transportationunmatched
U.S. National Institute of Standards and Technology (NIST)unmatched
VPN (Virtual Private Network)unmatched
Wide Area Network (WAN)unmatched
Windows PowerShellunmatched

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