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Randstad USA

Senior Network Security Engineer

Washington, DC, United States

$60 to $70 USD / hour · Contract

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Job details

Pay: $60 to $70 USD / hour
Job type: Contract
Apply by: Dec 4, 2026
Experience: Experience: 11+ years of dedicated cybersecurity engineering experience, with a core focus on enterprise network and firewall security.
Posting language: English
Posted: Nov 5, 2026

Original job description

job summary:

Randstad is seeking an experienced Senior Network Security Engineer to serve as a technical leader in designing, implementing, and optimizing perimeter and infrastructure security controls for our premier client in Washington, DC. In this high-impact role, you will be responsible for safeguarding critical enterprise infrastructure across on-premises networks and multi-cloud environments (AWS and Microsoft Azure) with a heavy focus on Palo Alto Networks firewalls. Leveraging 11+ years of cybersecurity expertise, you will proactively manage network threats, drive security automation, align controls with regulatory frameworks, and mentor junior engineering staff to strengthen the organization's overall security posture.

location: Washington, Washington, D.C. job type: Contract salary: $60 - 70 per hour work hours: 9am to 5pm education: Bachelors

responsibilities:

Perimeter & Firewall Administration: Lead the design, configuration, rule maintenance, and optimization of enterprise Palo Alto Networks firewalls and associated perimeter security platforms.
Network Infrastructure Security: Maintain and support Web Application Firewalls (WAF), Intrusion Detection/Prevention Systems (IDS/IPS), VPNs, and Network Access Control (NAC) technologies.
Cloud & Hybrid Security Integration: Partner with cloud, network, and application teams to implement secure architectures across AWS and Microsoft Azure environments.
Threat Mitigation & Operations: Analyze and respond to network security incidents, monitor events via SIEM platforms, perform threat hunting, and conduct root-cause forensic investigations.
Risk Assessment & Compliance: Conduct security reviews and risk assessments for new systems and architectural designs, ensuring compliance with NIST, CIS, PCI-DSS, HIPAA, and ISO standards.
Automation & Engineering: Streamline operational security tasks by building automation scripts using Python, PowerShell, or Bash.
Documentation & Strategy: Develop and maintain operational runbooks, network diagrams, and standard operating procedures to support long-term security strategy.
Technical Leadership: Guide multi-disciplinary project teams throughout the system development lifecycle and provide mentorship to junior security engineers.
Operational Support: Participate in planned maintenance windows, after-hours implementations, and emergency incident response activities.

qualifications:

Education: Bachelor's degree in Cybersecurity, Computer Science, Information Technology, Engineering, or a related field.

Experience: 11+ years of dedicated cybersecurity engineering experience, with a core focus on enterprise network and firewall security.

Technical Expertise: Advanced, hands-on administration of Palo Alto Networks firewalls in complex enterprise environments.

Networking Mastery: Deep knowledge of TCP/IP, routing, switching, VPNs, WAN/LAN architectures, and perimeter defense concepts.

Security Technologies: Practical experience managing IDS/IPS, SIEM, EDR, DLP, CASB, and WAF solutions.

Cloud Security: Direct experience supporting and securing cloud infrastructure within AWS and Microsoft Azure environments.

Automation: Proficiency in scripting and automating security workflows using Python, PowerShell, or Bash.

Frameworks & Compliance: Solid understanding of industry frameworks and standards, including NIST, CIS Controls, PCI-DSS, HIPAA, and ISO 27001.

Soft Skills: Exceptional problem-solving abilities, strong written and verbal communication, and proven stakeholder management skills.

skills:

AWS,Firewall Administration,Web Application Firewalls,Bash,CIS Controls,Cloud,cloud infrastructure,Cloud Security,cloud-native security,cybersecurity expertise,Cybersecurity,IPS,secure architectures,Computer Science,Information Technology,IDS,Intrusion Detection,Microsoft Azure,multi-cloud,Network Access Control,Network Infrastructure,network diagrams,Network Security,PCI-DSS,Palo Alto Networks,Python,routing,runbooks,scripting,SIEM platforms,SIEM,knowledge of TCP/IP,VPNs,PowerShell,Zero Trust security,strong written and verbal communication,Soft Skills,Exceptional problem-solving,proactively,administration,architectural designs,Automation,automating,building automation,CEH,CISSP,CIS,CCNP Security,forensic investigations,GIAC,HIPAA,ISO 27001,infrastructure security,Security Technologies,EDR,industry frameworks,enterprise infrastructure,Security Integration,ISO standards,maintenance,mentor,mentorship,PCNSE,NIST,Operational Support,operational security,Security Operations Center,planned maintenance,regulatory frameworks,risk assessments,Risk Assessment,Security,cybersecurity engineering,security strategy,perimeter security,stakeholder management skills,standard operating procedures,Streamline,Technical Leadership,workflows

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

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More about this job

Skills

AWS
Microsoft Azure
Cybersecurity
IDS
IPS
Microsoft Access
Hazard assessment
Regulatory compliance
Building automation
Python
Microsoft PowerShell
Bash
Documentation
Leadership
Provide mentorship
Incident response
Computer science
Computer technology
WAN
LAN
Problem solving
Communication skills
Stakeholder management

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