Senior Network Engineer (Firewall)

CACI International; Ashburn (VA); In loco; USD 104.000 - 218.000; Tempo pieno

Descrizione del lavoro

CACl International Inc. is seeking a Senior Network Engineer (Firewall) to lead NGFW/WAF initiatives across 350+ global facilities and ensure secure connectivity for diplomatic operations.

The role emphasizes creating robust firewall rules, high-availability designs, and DoS mitigation, while mentoring the network security team. Ideal candidates hold an active Secret clearance with 8+ years in related fields and hands-on experience with NGFWs, web application firewalls, and enterprise firewall

Competenze

• Bachelor's degree plus 8+ years in network engineering or security.
• Active Secret clearance.
• Experience with NGFWs and firewall architecture at scale.

Mansioni

• Lead implementation and management of NGFWs and WAFs across global facilities.
• Troubleshoot firewall issues and coordinate with DT teams.
• Design and implement firewall rules and high-availability solutions.
• Ensure DoS mitigation and change-management compliance.
• Mentor team members and supervise network security operations.

Conoscenze

NGFW expertise

Firewall rule design

High availability configurations

Load balancing

DoS mitigation

Leadership

Project leadership

Formazione

Bachelor's degree or equivalent in networking

Strumenti

Illumio

VMware NSX-T

Descrizione del lavoro

Job Title: Senior Network Engineer (Firewall)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity: CACI is seeking a Senior Network Engineer (Firewall) for the Global Mission Operations Support (GMOS) contract, supporting the Department of State. This role offers a unique opportunity to enhance national security through advanced IT solutions. You will collaborate with experienced professionals in an innovative environment, guiding a high-performing team to deliver excellence. The GMOS contract aims to provide world-class IT support by modernizing and maintaining applications and infrastructure using an integrated IT Service Management approach. Join us to make a meaningful impact on a program of national importance.Responsibilities:Lead implementation and management of micro-segmentation platforms, web application firewalls and Next-Generation Firewalls (NGFWs) across 350+ global facilities supporting mission-critical diplomatic operationsLead troubleshooting of complex firewall issues, coordinating with DT teams and facilitating secure connectivity with Government agencies and partner organizationsLead design, creation, implementation, and troubleshooting of Firewall Rules for networking devices and application communications, ensuring security while enabling business operationsDesign and implement comprehensive high-availability solutions including load balancing, denial of service detection and remediation leveraging modern network security technologiesLead coordination with DT Firewall Advisory Board for rule submissions, ensuring compliance with Department of State firewall policies and security standardsLead network component tuning activities to maintain optimum performance and security posture in accordance with change management procedures and best practicesDevelop comprehensive firewall standards, procedures manuals, and performance management procedures meeting DT/EA/CST requirements and federal compliance frameworksConduct firewall security assessments, vulnerability analysis, and threat modeling to proactively identify and mitigate potential security risksFunction as a technical expert across multiple project assignments, planning and leading major firewall infrastructure initiatives while mentoring team members and supervising network security operationsQualifications:Required –Bachelor's degree + 8 years of experience in related fields, such as network engineering, network security, firewall administration, cybersecurity, or infrastructure engineering; equivalencies considered.Active Secret ClearanceProven experience implementing and managing Next-Generation Firewalls (NGFWs), web application firewalls, and enterprise firewall architectures for large-scale environmentsDemonstrated expertise in firewall rule design, high-availability configurations, load balancing, and denial of service (DoS) mitigation strategiesExcellent leadership abilities with proven experience planning and leading firewall infrastructure projects, functioning as a subject matter expert, and supervising network security teamsDesired –Prior experience supporting federal agencies, especially the Department of StateProfessional certifications such as Palo Alto Networks Certified Network Security Engineer (PCNSE), Cisco CCNP Security, F5 Certified Technology Specialist (F5-CTS), or CISSPKnowledge of Software-Defined Networking (SDN), network segmentation strategies, and experience supporting 300+ geographically distributed facilitiesDemonstrated experience building and managing micro-segmentation platforms such as Illumio and VMware NSX-TExperience with Firewall Advisory Boards, security policy development, and compliance with federal security frameworks (NIST, FISMA)Knowledge of Software-Defined Networking (SDN), network segmentation strategies, and experience supporting 300+ geographically distributed facilities-What You Can Expect: A culture of integrity.At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.An environment of trust.CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.A focus on continuous growth.Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.Pay Range :There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.The proposed salary range for this position is:$103,800 - $218,100CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.