Full-Time

Firewall Network Security Engineer

Confirmed live in the last 24 hours

CACI

CACI

10,001+ employees

Provides technology services for government contracts

Compensation Overview

$75.2k - $158.1k/yr

Senior

No H1B Sponsorship

Austin, TX, USA

US Citizenship Required

Category
Cybersecurity
IT & Security
Required Skills
TCP/IP
Wireshark
Splunk
Requirements
  • 6+ years of experience in firewall administration, Network and Information Security, network administration, or related technical specialties
  • Requires in-depth knowledge of TCP/IP and communication protocols
  • Knowledge of IPSec, multicasting and traffic balancing techniques essential
  • Hands-on experience with all phases of firewall and network operations, firewall change requests, firewall configuration, network services, and network security
  • Ability to troubleshoot complex multi-vendor network issues in the LAN and WAN networks and working with multiple application and system teams to identify bottlenecks and other network configuration issues
  • In-depth knowledge of deep packet troubleshooting with Wireshark and tcpdump
  • Excellent analytical skills, organizational, time management and problem-solving skills are essential
  • Excellent oral and written communication skills including ability to interact effectively with executives, vendors and department staff
  • Enterprise level design experience
  • Enterprise level Implementation experience
  • Familiarity with SNMP and other network management protocols and tools to measure and monitor remote access systems and components
  • Experience with management and reporting tools such as Splunk and SolarWinds
  • Strong background in network security
  • Solid understanding of network security concepts, such as packet filtering, stateful inspection, and site-to-site/remote VPNs
  • Knowledge of high availability in a redundant firewall environment
  • Background in wide area networking
  • Position demands that the incumbent be able to work independently but also be a strong team player
  • Must be US citizen and able to pass background check
Responsibilities
  • Serves as subject matter expert on all supported firewall solutions
  • Provide 2nd/3rd tier level support for all supported firewalls (Palo Alto)
  • Responsible for the planning, implementation, organization and operation of Palo Alto Firewalls based perimeter security network and network security devices including but not limited to 7000, 5000, 3000, 1400, and 400 series FW’s
  • Providing LAN Management Service for Remotely monitored and administered FW’s for over 560 locations throughout the United States and its territories
  • Plan and conduct complex project studies; includes analyzing multiple data sources and publishing results to the team or to the technical user community
  • Responsible for the administration, planning, implementation, organization and operation of Cisco based data communications network and network security devices
  • Responsible for troubleshooting network and firewall problems, specifically Palo Alto
  • Monitor that the firewall and network system is adequately monitored to identify and solve data communication problems and user performance issues; this includes understanding chronic issues causing inefficiency in operation and seek resolution
  • Administer, recommend, and test solutions and new capabilities
  • Provides technical security engineering skills to support the overall security goals of the United States Courts as determined by the Committee on Information Technology
  • Document network diagrams, infrastructure, IP addressing schemes, routing, security policies, and load-sharing
  • Assist individual Courts with troubleshooting, configuring and setup of JFS Palo Alto firewalls
  • Provide analysis and support for all design and change requests for the firewall systems
  • System maintenance to include patch and security management on all firewall systems
  • Test new technologies for compatibility with Judiciary firewall systems
  • Maintain updated firmware, signature updates, maintain firewall rules/ACLs
  • Manage projects and assigned tasks as required for new technologies and features
  • Troubleshoot issues with communications related to security devices and provide some assistance with routing/switching issues
  • Collaborate and work with engineering group to implement new technologies and features
  • Serve as a primary or secondary on-call engineer on a rotating schedule (shared across all team members)
  • Provide guidance for network operation implementation and support process and procedures
  • Initiate and report Threat Investigations
Desired Qualifications
  • 1-3 years of experience with various router and switch maintenance and configurations including Cisco and HP
  • Knowledge of network routing (BGP, OSPF) and switching protocols, multicast and QoS protocols, Cisco hardware routers and switches, hands-on experience with Cisco Nexus switches is a plus
  • 1-3 years of knowledge and experience with both SSL and IPSec remote access VPN solutions, especially Cisco ASA technologies
  • Knowledge in HTTP/S, SSL experience and understanding of Unix-like operating systems
  • IDS/IPS (Intrusion Detection/Prevention Systems) Knowledge in configuring and managing IDS/IPS systems.

CACI International Inc. provides technology and professional services primarily to U.S. government agencies, focusing on national security and government modernization. The company offers a range of services including engineering, intelligence, logistics, and information technology. CACI secures long-term government contracts that involve advanced technology solutions, cybersecurity, data analytics, and mission support services. This business model ensures a steady revenue stream and establishes CACI as a trusted partner in the government sector. The company emphasizes building a skilled workforce by recruiting professionals with specialized expertise, which helps maintain its competitive edge. CACI's goal is to deliver high-quality solutions that address the pressing challenges faced by its clients.

Company Size

10,001+

Company Stage

IPO

Headquarters

Reston, Virginia

Founded

1962

Simplify Jobs

Simplify's Take

What believers are saying

  • Increased demand for AI-driven cybersecurity aligns with CACI's expertise.
  • U.S. government investment in IT modernization could boost CACI's contract opportunities.
  • Growing cloud solution demand presents expansion opportunities for CACI.

What critics are saying

  • Emerging tech firms in AI could threaten CACI's government contract market share.
  • Shift to agile contracting methods may disadvantage large contractors like CACI.
  • Rising labor costs could impact CACI's profitability due to reliance on skilled workforce.

What makes CACI unique

  • CACI specializes in national security and government modernization solutions.
  • The company secures long-term, high-value government contracts, ensuring steady revenue.
  • CACI's skilled workforce is a key asset, driving innovation and competitive advantage.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Health Insurance

Flexible Work Hours

401(k) Retirement Plan

401(k) Company Match

Wellness Program

Company News

Charities.org
Mar 24th, 2025
Sustainability News provided by 3BL

RESTON, Va., March 24, 2025 /3BL/ - For the fifth consecutive year, CACI International Inc (NYSE: CACI) was named a Top Workplace USA by employee engagement technology partner Energage, LLC.

HR Today
Mar 19th, 2025
Stephanie Lucchesi Appointed as Vice President, People & Organizational Development (Head of People) at Ritual

Erin Modrow has been appointed as Vice President, Digital Talent Strategy and Analytics at CACI International Inc, bringing extensive experience in workforce planning, analytics, and talent transformation from...

MarketBeat
Mar 13th, 2025
River Road Asset Management LLC Makes New $8.59 Million Investment in CACI International Inc (NYSE:CACI)

River Road Asset Management LLC makes new $8.59 Million Investment in CACI International Inc (NYSE:CACI).

Stock Titan
Mar 5th, 2025
CACI to Participate in J.P. Morgan 2025 Industrials Conference

RESTON, Va.-(BUSINESS WIRE)- CACI International Inc (NYSE: CACI) announced today that it will participate in the J.P. Morgan 2025 Industrials Conference.

Stock Titan
Mar 3rd, 2025
BetterInvesting(TM) Magazine Update on CACI International (NYSE: CACI) and NextEra Energy (NYSE: NEE)

BetterInvesting Magazine has selected CACI International (NYSE: CACI) as its 'Stock to Study' for the May 2025 issue, prompting investors to evaluate whether the stock is currently overvalued or in buying range.