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Added 11 mins ago
Mid-level Data Engineer
Amentum
Springfield, VA
As a Mid-Level Data Engineer, you will support an exciting National Security mission to position NGA to be the enterprise and community GEOINT data provider, improving the way analysts,…
Added 11 mins ago
Jr. Data Engineer
Amentum
Springfield, VA
As a Junior Data Engineer, you will support an exciting National Security mission to position NGA to be the enterprise and community GEOINT data provider, improving the way analysts,…
Added 11 mins ago
Sr. Data Engineer
Amentum
Springfield, VA
As a Senior Data Engineer, you will support an exciting National Security mission to position NGA to be the enterprise and community GEOINT data provider, improving the way analysts,…
Added 13 mins ago
Digital Engineer
MANTECH
Remote, United States
MANTECH’s Space Division seeks a Digital Engineer to support the United States Space Force (USSF), Space Systems Command (SSC) in executing the National Security Space Launch (NSSL)…
Added 13 mins ago
Solution Architect, Global Supply Chain
Roche
Indianapolis, IN
Influence internal development teams and third-party vendors to adhere to rigid architectural standards, prioritizing continuous system refinement and robust cyber-security posture.
Added 16 mins ago
Multi Cloud Engineer
Node.Digital
Chantilly, VA
Must have an active TS/SCI Full Scope Poly Clearance
Added 19 mins ago
AG
Senior Vice President of Technology - Data Analytics and Population Health Consulting
Alera Group
UNAVAILABLE
- $225,000 to $250,000 USD / year
…data enablement, analytics, data integration, infrastructure, security, and emerging technology. This leader would own and maintain Vital Incite's target-state technology and data…
Added 23 mins ago
Scientist, Systems Engineer
L3Harris Technologies
Chantilly, VA
Experience supporting programs with multi-level security, cybersecurity, or information assurance requirements.
Added 29 mins ago
Staff Software Engineer
DQQ Cohesity Inc.
Santa Clara, CA
Cohesity is a leader in AI-powered data security and management. Aided by an extensive ecosystem of partners, Cohesity makes it easy to secure, protect, manage, and get value from data -…
Added 40 mins ago
Information Systems Security Engineer
The Aerospace Corporation
Colorado Springs, CO
The Office of the Chief Information Security Officer (OCISO) is responsible for Aerospace’s classified enterprise IT environment Cybersecurity. As an Information Systems Security…
Added 48 mins ago
Enterprise - Senior Software Engineer - Java
Erias Ventures, LLC
Annapolis Junction, MD
We are seeking a Software Engineer who develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development,…
Added 51 mins ago
PN
Software Engineer (Business Applications)
Pacific Northwest National Laboratory
UNAVAILABLE
- $133,100 USD / year
At PNNL, our Computing and Information Technology organization is redefining how we work and innovate by reimagining the digital workplace. We empower research and streamline operations -…
Added 54 mins ago
SA
DevOps Engineer (R6610)
Shield AI
Seattle, WA · Dallas, TX
- $125,000 to $200,000 USD / year
…technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and…
Added 1 hour ago
Federal Principal Product Support Engineer, (Clearance Required - Secret), Oklahoma City, OK, Dallas or Houston, TX or Montgomery, AL
Hewlett Packard Enterprise
All, OK · All, TX
HPE is seeking a Principal Product Support Engineer (Level 4) to serve as the primary technical bridge between on-site federal customer teams and HPE’s Business Unit engineering…
Added 1 hour ago
Expert Cyber Security Engineer
VTG
Chantilly, VA
Master’s degree in Engineering, Computer Science, Information Technology, Management Information Systems, or related STEM degree program, or 18+ years of work experience as a Cyber Security…
Added 1 hour ago
Windows Systems Engineer, Region Services Corporate Infrastructure (Vector) Team
Amazon Development Center U.S., Inc.
Herndon, VA
We are looking for a Windows Systems Engineer who knows Windows infrastructure and is ready to transform how we manage it. Our direction is Infrastructure as Code - we need someone who can…
Added 1 hour ago
RF Device Engineer
The Aerospace Corporation
El Segundo, CA
Physical Sciences Laboratories (PSL) support the effective and timely development and operation of national security systems through scientific research and the application of advanced…
Added 1 hour ago
CO
2027 Optics/Photonic Engineering Intern - Apopka FL
CORP-Corporate Office
United States
- $18.5 to $41.5 USD / hour
Northrop Grumman Mission Systems is a trusted provider of mission-enabling solutions for global security. We have a wide portfolio of secure, affordable, integrated, and multi-domain…
Added 1 hour ago
CO
Transmission Engineer I-IV
City of Denton
Denton, TX
- $25.53 to $40.85 USD / hour
…extension and modifications to the electric utility distribution system, assemble project documentation and maintain organized files and…
Added 1 hour ago
T
Value Engineering Manager
Tanium
Remote, United States
- $126,000 to $193,000 USD / year
…and risk, Tanium Atlas, the company's autonomous operating system, puts the full depth of the Tanium Autonomous IT Platform behind every IT and security operator - human and agentic. Tanium…
Added 1 hour ago
SF
Assistant Chief Maintenance Officer
San Francisco Bay Area Rapid Transit District (BART)
Oakland, CA
- $94.71 to $143.48 USD / hour
All applicants must apply online at www.bart.gov/jobs. Applications must be completed in full and include all requested information, including dates of employment, positions held, hours…
Added 1 hour ago
SI
Software Engineering LMTS
Salesforce, Inc.
CA · IN · TX
- $172,500 to $285,800 USD / year
Knowledge of SOX controls, enterprise security, and finance-system governance.
Added 1 hour ago
Software Engineering LMTS
Salesforce, Inc.
TX · IN
As a Lead Software Engineer, you will drive the design and delivery of enterprise finance solutions that power Salesforce globally. You will work across ERP applications, APIs,…
Added 1 hour ago
KC
Electrical Engineering Supervisor
King County
Seattle, WA
- $77.35 to $93.51 USD / hour
…maintenance, upgrades, and modernization efforts, we help keep the system running smoothly. By integrating green building practices and sustainable design in every project, we reinforce…
Added 1 hour ago
Director, AI Security
Johnson & Johnson Services Inc. Legal Entity
Remote, United States
The role is accountable for the security of enterprise AI platforms, commercial SaaS AI services, embedded AI capabilities in third-party products, open source models and components,…

Closed listing

Randstad USA

Senior Network Security Engineer

Washington, DC, United States

$60 to $70 USD / hour · Contract

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Pay: $60 to $70 USD / hour
Job type: Contract
Closing date: 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

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Original job description

Archived listing. The details below describe a past opening.

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.

About employer

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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Jobs in the United States