Employ Pine
CACI
Network Engineer
Location
El Segundo, CA
Job Type
Other
Date Posted
27 November 2025
Network Engineer
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: Top Secret
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
The Opportunity: CACI is seeking a Network Engineer to join a highly skilled engineering team supporting the E3I program, maintaining and advancing secure communications infrastructure. This person will support mission-critical environments by ensuring network reliability, scalability, and performance across classified and unclassified domains. Work hands-on with Cisco and Red Hat Enterprise Linux systems to configure, optimize, and secure network operations. Collaborate with cross-functional teams to design, document, and troubleshoot innovative network solutions. Contribute to the continuous improvement of network capabilities and security posture in a dynamic, mission-driven setting. This position requires to be in Office 100%, located in Sterling VA.
Responsibilities:
- Install, configure, and maintain network infrastructure components, including switches, routers, and firewalls.
- Establish and fulfill port and service requests.
- Configure and troubleshoot Layer 2 and Layer 3 networking components, including static routing and NAT.
- Configure and troubleshoot Cisco ASA 5525 and FirePower devices.
- Establish, maintain, and troubleshoot IPSEC tunnels (Policy-Based and Route-Based).
- Perform packet captures and traffic analysis for network diagnostics and performance monitoring.
- Monitor network health and proactively identify performance or reliability issues.
- Maintain and document device configurations, network diagrams, and IP databases.
- Provide technical input during meetings and make recommendations for network improvements.
- Collaborate using Jira, Confluence, and other ticketing and documentation tools.
- Support Red Hat Enterprise Linux networking, including IP addressing, routes, and interface configuration.
Qualifications:
Required:
- Active Top Secret clearance; SCI eligible; willingness to obtain a Polygraph.
- Bachelor's degree in IS Technology, Computer Science, or related field and 3+ years of experience, or 9+ years of equivalent experience without a degree.
- DoD 8570 IAT II certification (Security+ or equivalent).
- Hands-on experience with Cisco network equipment (Catalyst, Nexus, ASA, FirePower).
- Experience with static routing, NAT, and IPSEC (Policy-Based and Route-Based).
- Familiarity with Red Hat Enterprise Linux networking configuration (interfaces, routes, and troubleshooting).
- Strong understanding of Layer 1-3 networking and troubleshooting.
- Experience performing packet captures and network analysis.
- Proficiency with documentation tools (Visio, Excel, Word).
- Strong communication, collaboration, and customer service skills.
Desired:
- Experience with network monitoring platforms and performance optimization tools.
- Familiarity with automation or scripting for network configuration.
- Knowledge of virtualization or container networking concepts.
- Experience in a DoD or enterprise network environment.
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. Your potential is limitless. So is ours. Learn more about CACI here.
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. Learn more here.
The proposed salary range for this position is: $72,700 - $149,200
CACI 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.
Frequently Asked Questions
In El Segundo, certifications like Cisco's CCNA, CompTIA Network+, and Juniper's JNCIA are highly regarded. They demonstrate mastery of network infrastructure, which is crucial for roles at companies like CACI. Such credentials often accelerate your chances in this competitive Southern California tech hub.
El Segundo hosts a dense cluster of aerospace and defense firms, making network engineering roles sought-after yet competitive. Candidates with hands-on experience in secure telecom networks and infrastructure management tend to stand out in hiring processes at firms including CACI.
Advanced skills such as network design, security protocol implementation, and software-driven network automation distinguish top Network Engineers. Familiarity with network operations and troubleshooting complex systems is essential to excel and progress within roles like network infrastructure engineer.
With experience, Network Engineers often transition toward network architecture, cybersecurity specialization, or network operations management. Opportunities also exist in telecom network engineering, expanding their expertise and leadership scope within organizations or specialized firms.
CACI emphasizes secure, mission-critical network solutions often tied to defense contracts, requiring engineers to handle complex network and security integration. This focus contrasts with commercial network roles, offering unique exposure to high-security standards and advanced network operations.
Candidates should be prepared to demonstrate expertise in both network design and security frameworks, reflecting CACI's dedication to resilient network infrastructure. Practical knowledge of telecom networks combined with systems engineering skills is often a key differentiator during hiring.
Network Engineers in El Segundo typically earn between $85,000 and $120,000 annually, influenced by factors like experience and certification. This range aligns competitively with California’s tech sector, especially given the area's demand for telecom and network security expertise.
Engineers often face challenges integrating legacy systems with modern network software amid strict security protocols. The region’s reliance on defense and aerospace industries adds complexity, demanding robust network reliability and swift troubleshooting abilities under high-stakes conditions.
Network design engineers collaborate closely with systems engineers to ensure network architectures align with broader IT infrastructure goals. At CACI, this synergy helps maintain secure, scalable networks essential for their defense-oriented projects and mission-critical applications.
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