Network Security Engineer

  •  Reference Number: 415865
  •  Posted: 10/24/2026
  •  Job Type: Contract

Our client, a distributed enterprise environment, is seeking a Network Security Engineer to join their team. As a Network Security Engineer, you will support network operations, firewall administration, secure remote-access solutions, and infrastructure security activities. The ideal candidate will bring strong customer-facing communication, the ability to operate independently, and a strong documentation and process improvement mindset, aligning successfully in the organization.

Job Title:Network Security Engineer

Location:Waltham, Massachusetts (Onsite/Hybrid)

What's the Job?

  • Administer and support SonicWall firewalls, including implementing and troubleshooting firewall rule changes.
  • Manage network connectivity across multiple locations and perform network troubleshooting and root cause analysis.
  • Support secure remote access solutions and review security-related configuration changes.
  • Assist with privileged administrative activities and support network and security operational incidents.
  • Participate in infrastructure transition and stabilization activities; create and maintain network and security documentation.

What's Needed?

  • 7+ years of Network and Security Operations experience.
  • Strong SonicWall administration experience, including firewall policy management and troubleshooting.
  • Solid TCP/IP, Routing, Switching, VLANs, DNS, and DHCP knowledge.
  • Experience with VPN and remote access technologies, plus network monitoring and diagnostics.
  • Incident response and operational security support experience, including Microsoft infrastructure security fundamentals.

What's in it for me?

  • Work on real-world network and security operations in a distributed enterprise environment.
  • Contribute to secure remote-access and infrastructure security activities that improve operational maturity.
  • Strengthen your incident response and root cause analysis skills through hands-on operational support.
  • Collaborate with customer security and infrastructure teams to drive continuous improvement.
  • Build lasting impact through clear, maintainable network and security documentation.

Upon completion of waiting period consultants are eligible for:

  • Medical and Prescription Drug Plans
  • Dental Plan
  • Vision Plan
  • Health Savings Account
  • Health Flexible Spending Account
  • Dependent Care Flexible Spending Account
  • Supplemental Life Insurance
  • Short Term and Long Term Disability Insurance
  • Business Travel Insurance
  • 401(k), Plus Match
  • Weekly Pay

If this is a role that interests you and you'd like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you!

About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells.

ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells – creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.

Waltham, MA

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An Experis consultant

"Communication, instructions, expectations and follow-through were exceptional, throughout the hiring, interviewing and onboarding process. Thank you, Experis!"