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Firewall Configuration Jobs in Missouri (NOW HIRING)

CACI International, Inc.

Lead Firewall Engineer

Arnold, MO · On-site

$42.25 - $56.75/hr

... configuration baselines • Lead regular compliance evaluations and audits • Develop, oversee ... • Firewall experience within the DoW or IC • Demonstrated knowledge of implementation of ...

Midwest Data Center

IT Systems Analyst

Maryville, MO · On-site

Server configuration and troubleshooting * Router, switch, firewall configuration and troubleshooting Working knowledge of: * TCP/IP * Microsoft Active Directory * Azure/Microsoft 365 * Microsoft ...

CACI

Lead Firewall Engineer with Security Clearance

Arnold, MO

$42.25 - $56.75/hr

... configuration baselines • Lead regular compliance evaluations and audits • Develop, oversee ... • Firewall experience within the DoW or IC • Demonstrated knowledge of implementation of ...

Centurylink

SR. IT Engineer

Town And Country, MO · On-site

$99K - $136K/yr

Demonstrable experience of managed firewall configuration and deployment, ASA firepower or Juniper. * Understanding and experience of basic server configuration including interface and route ...

CenturyLink

SR. IT Engineer

Town And Country, MO

$99K - $136K/yr

Demonstrable experience of managed firewall configuration and deployment, ASA firepower or Juniper. * Understanding and experience of basic server configuration including interface and route ...

Commerce Bank

Cyber Security Engineer III

Kansas City, MO · On-site

$44.70 - $52.40/hr

Perform Firewall administration, policy configuration and management of web application firewalls, VPN configuration and administration * Perform Anti-virus anti-malware system maintenance and best ...

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All JobsFirewall Configuration JobsFirewall Configuration Jobs in Missouri

Firewall Configuration information

What is firewall configuration?

Firewall configuration refers to the process of setting up and managing rules and policies that control incoming and outgoing network traffic on a computer or network. Firewalls act as a barrier between trusted internal networks and untrusted external networks, such as the internet, to prevent unauthorized access and protect against cyber threats. Proper configuration involves specifying which data packets are allowed or blocked based on criteria like IP addresses, ports, and protocols. The effectiveness of a firewall greatly depends on how well it is configured and maintained. Regular updates and reviews are essential to ensure continued security.

What are some common challenges faced by professionals in firewall configuration roles, and how can they be addressed?

Professionals responsible for firewall configuration often encounter challenges such as keeping up with rapidly evolving security threats, ensuring minimal downtime during updates, and balancing security with network performance. Staying current with vendor updates and industry best practices is essential to address these issues. Regularly collaborating with other IT and security teams also helps to align firewall policies with overall organizational goals and reduces the risk of misconfigurations. Utilizing automated tools and thorough testing procedures can further minimize errors and maintain robust network security.

What are the three types of firewalls?

Firewall configuration professionals typically work with three main types of firewalls: packet-filtering firewalls, which examine network packets; stateful inspection firewalls, which track active connections; and application-layer firewalls, which filter traffic based on application data. Understanding these types helps in designing secure network defenses and selecting appropriate firewall tools.

What is a firewall in cyber security?

A firewall in cybersecurity is a security device or software that monitors and controls incoming and outgoing network traffic based on predetermined security rules. For firewall configuration roles, knowledge of network protocols, security policies, and tools like intrusion detection systems is essential to protect organizational networks from unauthorized access.

What is the firewall in a computer?

A firewall in a computer is a security device or software that monitors and controls incoming and outgoing network traffic based on predetermined security rules. For firewall configuration roles, knowledge of network protocols, security policies, and tools like firewall management software is essential to protect systems from unauthorized access.

What is the difference between Firewall Configuration vs Network Security Technician?

AspectFirewall ConfigurationNetwork Security Technician
CertificationsCompTIA Security+, Cisco CCNA SecurityCompTIA Security+, CISSP (optional)
Work EnvironmentNetwork environments, IT departmentsSecurity operations centers, IT teams
Primary FocusSetting up and managing firewallsMonitoring, analyzing, and responding to security threats
Industry UsageIT and cybersecurity firms, corporate networksOrganizations with security teams, government agencies

Firewall Configuration specialists focus on designing, implementing, and maintaining firewalls to control network traffic. Network Security Technicians have a broader role, including monitoring security systems, analyzing threats, and responding to incidents. While both roles require similar certifications and work in related environments, Firewall Configuration is more specialized in firewall setup, whereas Network Security Technicians handle overall security operations.

How do I check my firewall?

Firewall configuration specialists typically check firewalls by reviewing settings through management consoles or command-line tools, ensuring rules are correctly applied and active. They may also perform network scans or use diagnostic tools to verify firewall functionality and security policies are enforced properly.

What are the key skills and qualifications needed to thrive in Firewall Configuration, and why are they important?

To thrive in Firewall Configuration, you need a solid understanding of network security principles, TCP/IP protocols, and experience with various firewall technologies, often supported by a degree in computer science or related certifications like CompTIA Security+ or Cisco CCNA Security. Familiarity with firewall management tools (such as Cisco ASA, Palo Alto, or Fortinet), intrusion detection/prevention systems, and security information and event management (SIEM) platforms is typically required. Strong analytical thinking, attention to detail, and effective communication skills set top professionals apart in this field. These capabilities are crucial for protecting organizational assets, ensuring compliance, and swiftly addressing security threats in complex network environments.
What are popular job titles related to Firewall Configuration jobs in Missouri? For Firewall Configuration jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Firewall Configuration jobs in Missouri look for? The top searched job categories for Firewall Configuration jobs in Missouri are:
What cities in Missouri are hiring for Firewall Configuration jobs? Cities in Missouri with the most Firewall Configuration job openings:
Firewall Configuration jobs near you

Network Engineer - Firewalls

The Timberline Group

Saint Louis, MO

Other

Posted 27 days ago

Job description

Overview:

  • This position is for a Senior Firewall Engineer performing support for data networks, with an emphasis on administration, provisioning, and support of firewall rules and infrastructure on Palo Alto NGFW and related technologies. Some Cisco ASA firewalls, VMWare VNC, and Cisco ACI (spine/leaf) is also present in the environment.


Responsibilities:

  • Administers production firewall support requests for project and operational needs.
  • Provides troubleshooting support to application/development teams for the firewalls in our environment.
  • Leads efforts to analyze, troubleshoot and resolve network incidents
  • Responsible for operations and data communication systems, including LANs and/or WANs
  • Performs activities related to Network Performance, Lifecycle, Reliability and Problem Management
  • Researches and evaluates emerging network and communication technology
  • Relevant, recent and hands on experience in designing application data flows necessary for application and system functionality required
  • Relevant, recent and hands on experience in designing, configuring and implementing firewall rule sets to ensure data flows are appropriate and secure required
  • Relevant, recent and hands on experience with CISCO ASA firewalls in clusters or active/standby configurations required
  • Experience with routed mode, transparent mode and Vwire, as well as experience with VPNs, NAT, trunking and troubleshooting using syslog are required
  • Interface directly with Application Developers, Cybersecurity analysts, Business Line personnel and other Network Engineering teams to determine the application data flow design and firewall rule sets, along with implementation strategies and timelines.
  • Work with other project teams and project managers to implement related secure network solutions
  • Work with other IT Infrastructure Specialists and Engineers as well other business unit personnel that support the corporate networks and the electrical grid, gas operations, and other corporate efforts
  • Communicate with suppliers to develop solutions to meet the internal customer's needs


Required:

  • Working knowledge of the planning, design, and troubleshooting of network systems.
  • Working experience in managing configurations and upgrades to Palo Alto NGFW's and Panorama
  • 7+ Years of direct firewall experience including at least 3 years of Cisco ASA experience
  • Working experience with Cisco networks, ASA firewall configuration
  • Working understanding of routing and switching technology, IP, and signaling.
  • Working knowledge of ITIL framework required
  • Ability to create and read packet captures
  • Strong communication and documentation skills.


Preferred:

  • Working knowledge of F5 Big IP, and/or Nokia MPLS routers.
  • Working knowledge of industry trends and products.
  • Solid understanding of waterfall and agile project management processes, tools and techniques.
  • Familiarity with Splunk for syslog searches


Education:

  • Bachelor's degree, preferably in engineering, mathematics, computer science, or business.
  • Will consider candidates without a degree if they have shown/demonstrated having 2+ years equivalent, relevant experience in tools, systems, and initiatives leveraged by client. 3+ years of relevant experience required.


Related Skills (Preferred):

  • Working knowledge of SSL certs.
  • Good understanding of application layer packet headers
  • Understands DNS structure and architecture

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