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Senior Network Security Engineer

  • Location: Middletown, 60007
  • Job Type:Contract

Posted 16 days ago

Job Title: Senior Network Security Engineer

Job Location: United States, Chicago (Warrenville or Schaumburg offices in the suburbs), Atlanta, Middletown, Bothel, Dallas, St. Louis, and Alpharetta

U.S. Citizen Preferred

Job Description: The security engineer will be responsible for performing operational support tasks on Cisco Firewalls (ASA) and other legacy firewalls, as well as support migration projects from legacy Cisco to future state firewalls (Palo Alto).  Analyze issues to resolve within fault management team processes as well as identify needs for project work.  The ability to work independently on moderate to complex projects, manage technical issues to resolution, and communicate clearly with leadership will be required. Candidates must be able to work collaboratively within a small group as well as with other teams such as Product Management, Security and Network Engineers and Service Managers.

Daily Responsibilities:

  • Troubleshoot and resolve network security issues and related hardware chassis issues as needed
  • Respond to escalations
  • Develop, document and test configuration and policy corrective actions
  • Coordinate with fault management team members
  • Identify needs for firewall upgrades or replacement projects where relevant
  • Perform IPS installation and configuration as needed
  • Perform risk assessment associated with documented procedures

Required Experience:

  • 5+ years working as a Security Engineer in large scale enterprise network
  • 5+ Years’ experience as a security engineer working with management and configuration of Cisco ASA's firewalls with policy development and troubleshooting
  • 2+ year experience working with Cisco platforms at the physical layer 
  • 2+ year experience in migrating firewall platforms to Palo Alto
  • Proven experience as a network engineer working with Wireshark or other packet capture software and packet analysis tools on protocols such as TCP/IP (BGP, OSPF, IPSec), Routing and Switching and network management protocols and tools such as SNMP, LDAP, AAA.

Preferred Experience:

  • Proven project experience working with Encryption and Hashing Algorithms DES, 3DES, AES, RSA, MD5 and SHA-1

Security Certifications a real plus: CISSP (ISC)2, CISM, CompTIA Security+, CCNA, OSCP, etc.

Education: BS (minimum) or MS degree in CIS, Security, Engineering, Math, Telecommunications, Sciences.

Notes: Some maintenance window work required (less than 20%)

Candidates will be responsible for following the client's COVID-19 protocols. Please refer to your MATRIX representative for specifics.

About Us

At MATRIX, we expertly match talented professionals with job opportunities to elevate careers. Since 1983, we have placed thousands of professionals at innovative clients across every industry ranging from small startups to Fortune 50 companies. It’s why we’re consistently in the top 25 of all U.S. IT staffing firms and why our consultants rate us well above the industry average, earning us ClearlyRated's Best of Staffing awards year after year. People come to us for a job, and stay with us because of our top-notch consultant care.

MATRIX is and Equal Employment Opportunity employer including disability and veteran and provides reasonable accommodations for all qualified individuals.  Supporting medical or religious documentation will be required where applicable. If you are a qualified individual you may request a reasonable accommodation under the American Disability Act (ADA). If you are a person with a disability needing assistance applying, or at any point in the hiring process, please email us at To ensure a quick response to your request, please use the words “Accommodation request” as the subject line of your email.