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CACI International Inc · 4 months ago

Network Firewall Engineer

Sterling, VA

Full-time

Onsite

Senior Level, Lead/Staff

$121K/yr - $266K/yr

10+ years exp

CACI International Inc is seeking a skilled and detail-oriented Network Firewall Engineer to support the implementation, configuration, and maintenance of their firewall infrastructure. The role involves working closely with the network security team to ensure the effective operation and security of the organization's network perimeter defenses.

Information TechnologyService IndustrySoftware

Comp. & Benefits

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Assist in the implementation and configuration of firewall systems across various platforms

Perform day-to-day firewall administration tasks, including rule updates, policy modifications, and access control list (ACL) management

Monitor firewall logs and alerts, responding to, and escalating security incidents as appropriate

Conduct regular firewall health checks and performance tuning

Assist in troubleshooting network connectivity and security issues related to firewalls

Help maintain firewall documentation, including configuration changes and standard operating procedures

Participate in firewall upgrade projects and new deployments

Assist in conducting periodic firewall rule reviews and clean-up efforts

Support the implementation of next-generation firewall features such as IPS and application control

Collaborate with other IT teams members to ensure proper integration of firewall systems with other network components

Stay current with emerging security threats and firewall technologies

Participate in on-call rotation for critical firewall and network security incidents

Qualification

Expert-level firewall knowledgeNetwork security conceptsNetworking protocols understandingIndustry certificationsScripting languages proficiencyTroubleshooting skillsOrganizational skillsCommunication skills

Required

Bachelor's degree in a Technical field or equivalent work experience

10+ years of related work experience

TS/SCI with Poly

Exceptional organizational skills and attention to detail

Expert-level knowledge of major firewall platforms (e.g., Palo Alto, Cisco ASA, Forcepoint)

Strong understanding of networking protocols, OSI model, and common network architectures

Experience with network security and software-defined networking (SDN) concepts

Hands-on experience with network security concepts, such as VPNs, NAT, IDS/IPS, and DMZ configurations

Strong understanding of network protocols (TCP/IP, DNS, HTTP, etc.), network routing protocols (OSPF, EIGRP, BGP), and network architectures

Excellent troubleshooting, problem-solving, and analytical skills

Strong communication skills, both written and verbal

Preferred

Industry certifications such as CISSP, CISM, CCNP Security, Palo Alto PCNSE, or equivalent are highly desired

Proficiency in scripting languages (e.g., Python, Bash) for automation and management tasks

Benefits

Healthcare

Wellness

Financial

Retirement

Family support

Continuing education

Time off benefits

Company

CACI International Inc

Glassdoor4.0

At CACI International Inc (NYSE: CACI), our 25,000 talented and dynamic employees are ever vigilant in delivering distinctive expertise and technology to meet our customers’ greatest challenges in national security.

Founded in 1962

Arlington, Virginia, USA

10001+ employees