Senior Network Engineer at CACI International Inc

📍 Job Overview

Job Title: Senior Network Engineer
Company: CACI International Inc
Location: Dąbrowa Górnicza, Silesian Voivodeship, Poland
Job Type: On-site
Category: Network Infrastructure
Date Posted: 2025-08-09
Experience Level: 10+ years
Remote Status: On-site with up to 10% travel

🚀 Role Summary

Key Responsibilities: Develop, design, and implement robust, secure, scalable, and high-performance classified and unclassified network solutions. Maintain networks to ensure 24x7 availability of critical systems. Troubleshoot incidents and problems, and provide technical support for network infrastructure.
Key Skills: Network Engineering, Cisco Routers, Cisco Switches, Brocade Switches, Juniper Routers, VPN Configuration, COMSEC, CI/CD, DevSecOps, Troubleshooting, Network Security, Systems Engineering, IT Security, Project Management, Technical Expertise, Emerging Technologies

📝 Enhancement Note: This role requires a high level of technical expertise in network engineering, with a focus on Cisco technologies and secure network solutions. The role also involves working with classified and unclassified environments, requiring a TS/SCI clearance.

💻 Primary Responsibilities

Network Design & Implementation: Develop, design, and implement robust, secure, scalable, and high-performance classified and unclassified network solutions that meet operational requirements and security policies.
Network Maintenance: Maintain networks to ensure 24x7 availability of critical systems on NIPR, SIPR, TS/SCI, intelligence, and communication networks, and support Command and Control (C2) infrastructure.
Troubleshooting & Problem Resolution: Provide troubleshooting of incidents and problems, including developing work-arounds to return services to functioning status.
Network Asset Management: Plan, design, install, maintain, troubleshoot, resolve problems, and perform network asset management of Cisco switches and routers; Brocade switches and routers; Juniper routers, switches, and firewalls; Cisco firewalls; proxy servers; Intrusion Protection Systems (IPSs); and encryption devices.
VPN Configuration: Configure VPN tunnels on Cisco, Brocade, and Juniper devices and configures TACLANES.
COMSEC Management: Maintain COMSEC account(s) in support of the installation of encryption keys.
Systems Engineering & Project Management: Provide systems engineering planning and support for Customer Relationship Management (CRM) and lead projects for technology insertions and network updates.
Emerging Technologies & Security: Evaluate and test COTS and GOTS applications and hardware for integration into networks. Apply measures to secure applications and hardware and ensure the network remains within ATO compliance.

📝 Enhancement Note: This role requires a strong background in network engineering, with a focus on Cisco technologies and secure network solutions. The role also involves working with classified and unclassified environments, requiring a TS/SCI clearance.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience.

Experience: 10+ years of experience in network engineering, with a focus on Cisco technologies and secure network solutions.

Required Skills:

Cisco Certified Network Professional (CCNP)
CompTIA Security + (IAT Level II or greater)
Expert level experience working with and supporting Cisco Routers and Switches in a complex enterprise environment
TESA eligibility

Preferred Skills:

ITIL v3 – Foundation
Automation using Microsoft PowerShell, VBScript, or batch files
Adaptable to changing circumstances and operational needs
Understanding of Department of Defense Military standards
Experience with DoD IT security requirements

📝 Enhancement Note: This role requires a high level of technical expertise in network engineering, with a focus on Cisco technologies and secure network solutions. The role also involves working with classified and unclassified environments, requiring a TS/SCI clearance.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

Detailed network diagrams and architecture documentation showcasing your experience with Cisco, Brocade, and Juniper devices.
Case studies demonstrating your ability to design, implement, and maintain secure, scalable network solutions for classified and unclassified environments.
Examples of your troubleshooting and problem-resolution skills, including incident and problem reports.
Documentation of your experience with VPN configuration, COMSEC management, and network asset management.

Technical Documentation:

Detailed network diagrams and architecture documentation, including network topologies, subnets, routing protocols, and network services.
Network configuration files and scripts, demonstrating your proficiency with Cisco IOS, Junos, and other relevant network operating systems.
Network monitoring and management tools, including SNMP, Nagios, Zabbix, or other network monitoring platforms.
Network security policies and procedures, demonstrating your understanding of network security best practices and compliance with relevant standards.

📝 Enhancement Note: This role requires a strong background in network engineering, with a focus on Cisco technologies and secure network solutions. The role also involves working with classified and unclassified environments, requiring a TS/SCI clearance.

💵 Compensation & Benefits

Salary Range: The proposed salary range for this position is $94,800 - $199,100 per year.

Benefits:

Healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here.

Working Hours: Full-time position with up to 10% travel.

📝 Enhancement Note: The salary range provided is based on the information available in the job listing. However, the actual salary may vary depending on factors such as geographic location, relevant prior work experience, specific skills and competencies, education, and certifications.

🎯 Team & Company Context

🏢 Company Culture

Industry: Defense and Intelligence

Company Size: Large (15,000+ employees)

Founded: 1962

Team Structure:

The Network Engineering team is responsible for designing, implementing, and maintaining secure, scalable network solutions for classified and unclassified environments.
The team is composed of network engineers, network architects, and network security specialists.
The team works closely with other IT teams, including systems engineering, software development, and IT security, to ensure the delivery of secure, reliable, and high-performing network services.

Development Methodology:

The team follows Agile methodologies, including Scrum and Kanban, to deliver network solutions that meet operational requirements and security policies.
The team uses continuous integration/continuous deployment (CI/CD) pipelines and supports DevSecOps processes to ensure the delivery of secure, reliable, and high-performing network services.
The team uses industry-standard tools and technologies, including Git, Jenkins, Jira, and Confluence, to manage network projects and collaborate with other IT teams.

Company Website: CACI International Inc

📝 Enhancement Note: CACI International Inc is a large defense and intelligence company that provides a wide range of IT services, including network engineering, systems engineering, software development, and IT security. The company has a strong focus on delivering secure, reliable, and high-performing network services to support its customers' missions.

📈 Career & Growth Analysis

Network Engineering Career Level: Senior Network Engineer

Responsible for designing, implementing, and maintaining secure, scalable network solutions for classified and unclassified environments.
Provides technical leadership and mentoring to junior network engineers.
Collaborates with other IT teams, including systems engineering, software development, and IT security, to ensure the delivery of secure, reliable, and high-performing network services.
May lead projects for technology insertions and network updates.

Reporting Structure: Reports directly to the Network Engineering Manager or Team Lead.

Technical Impact: Senior Network Engineers have a significant impact on the delivery of secure, reliable, and high-performing network services. They are responsible for designing and implementing network solutions that meet operational requirements and security policies, and for maintaining network availability for critical systems.

Growth Opportunities:

Technical Growth: Pursue advanced certifications, such as Cisco Certified Network Professional (CCNP) Enterprise, Cisco Certified Design Professional (CCDP), or Juniper Networks Certified Specialist – Enterprise Routing and Switching (JNCIS-SP).
Leadership Growth: Develop leadership skills through mentoring, coaching, and project management opportunities. Pursue a role as a Network Engineering Manager or Team Lead.
Architecture Growth: Develop architecture skills through advanced network design courses and projects. Pursue a role as a Network Architect or Solutions Architect.

📝 Enhancement Note: This role offers significant opportunities for technical and leadership growth. Senior Network Engineers can develop their skills through advanced certifications, mentoring, and project management opportunities. They can also pursue roles as Network Engineering Managers, Team Leads, Network Architects, or Solutions Architects.

🌐 Work Environment

Office Type: On-site office with up to 10% travel.

Office Location(s): Bemowo, Poland

Workspace Context:

The Network Engineering team works in a collaborative environment, with a focus on delivering secure, reliable, and high-performing network services.
The team uses industry-standard tools and technologies, including Git, Jenkins, Jira, and Confluence, to manage network projects and collaborate with other IT teams.
The team has access to multiple monitors, testing devices, and other resources necessary to perform their job effectively.

Work Schedule: Full-time position with up to 10% travel.

📝 Enhancement Note: This role requires an on-site presence with up to 10% travel. The Network Engineering team works in a collaborative environment, with a focus on delivering secure, reliable, and high-performing network services. The team uses industry-standard tools and technologies to manage network projects and collaborate with other IT teams.

📄 Application & Technical Interview Process

Interview Process:

Technical Phone Screen: A brief phone screen to assess your technical proficiency in network engineering, with a focus on Cisco technologies and secure network solutions.
On-site Technical Interview: A comprehensive on-site interview to assess your technical proficiency in network engineering, with a focus on Cisco technologies and secure network solutions. The interview will include a hands-on network configuration exercise and a discussion of your network architecture and design skills.
Behavioral Interview: A behavioral interview to assess your problem-solving skills, communication skills, and cultural fit with the team.
Final Review: A final review with the hiring manager to discuss your fit for the role and the team.

Portfolio Review Tips:

Highlight your experience with Cisco, Brocade, and Juniper devices, including network diagrams, architecture documentation, and case studies.
Demonstrate your ability to design, implement, and maintain secure, scalable network solutions for classified and unclassified environments.
Showcase your troubleshooting and problem-resolution skills, including incident and problem reports.
Provide examples of your experience with VPN configuration, COMSEC management, and network asset management.

Technical Challenge Preparation:

Brush up on your Cisco, Brocade, and Juniper device configuration skills, including network protocols, routing, switching, and security configurations.
Familiarize yourself with network security best practices and compliance with relevant standards.
Prepare for a hands-on network configuration exercise and a discussion of your network architecture and design skills.

ATS Keywords: Network Engineering, Cisco Routers, Cisco Switches, Brocade Switches, Juniper Routers, VPN Configuration, COMSEC, CI/CD, DevSecOps, Troubleshooting, Network Security, Systems Engineering, IT Security, Project Management, Technical Expertise, Emerging Technologies

📝 Enhancement Note: This role requires a strong background in network engineering, with a focus on Cisco technologies and secure network solutions. The interview process includes a technical phone screen, on-site technical interview, behavioral interview, and final review. The portfolio review focuses on your experience with Cisco, Brocade, and Juniper devices, network architecture and design skills, and troubleshooting and problem-resolution skills.

🛠 Technology Stack & Web Infrastructure

Network Infrastructure:

Cisco Routers and Switches (Cisco IOS)
Brocade Switches and Routers (Brocade Fabric OS)
Juniper Routers, Switches, and Firewalls (Junos)
Cisco Firewalls (ASA)
Proxy Servers (Microsoft Forefront TMG)
Intrusion Protection Systems (IPSs) (Cisco Firepower)
Encryption Devices (Cisco Transceiver Security Module, Juniper ScreenOS)

Network Protocols & Services:

Internet Protocol (IP)
Transmission Control Protocol (TCP)
User Datagram Protocol (UDP)
Internet Control Message Protocol (ICMP)
Border Gateway Protocol (BGP)
Open Shortest Path First (OSPF)
Routing Information Protocol (RIP)
Dynamic Host Configuration Protocol (DHCP)
Domain Name System (DNS)
Simple Network Management Protocol (SNMP)
Network Time Protocol (NTP)
Virtual Private Network (VPN) protocols (IPSec, SSL/TLS, L2TP, PPTP)
Multiprotocol Label Switching (MPLS)
Quality of Service (QoS)
Virtual LAN (VLAN)
Spanning Tree Protocol (STP)

📝 Enhancement Note: This role requires a strong background in network engineering, with a focus on Cisco technologies and secure network solutions. The technology stack includes Cisco, Brocade, and Juniper devices, network protocols and services, and network security tools and technologies.

👥 Team Culture & Values

Network Engineering Values:

Security-First: Prioritize network security in all aspects of network design, implementation, and maintenance.
Reliability: Ensure the availability and performance of critical network services.
Scalability: Design and implement network solutions that can scale to meet operational requirements.
Collaboration: Work closely with other IT teams, including systems engineering, software development, and IT security, to ensure the delivery of secure, reliable, and high-performing network services.
Continuous Learning: Stay up-to-date with emerging network technologies, best practices, and industry standards.

Collaboration Style:

The Network Engineering team uses Agile methodologies, including Scrum and Kanban, to deliver network solutions that meet operational requirements and security policies.
The team uses industry-standard tools and technologies, including Git, Jenkins, Jira, and Confluence, to manage network projects and collaborate with other IT teams.
The team has a strong focus on knowledge sharing, technical mentoring, and continuous learning.

📝 Enhancement Note: The Network Engineering team has a strong focus on network security, reliability, scalability, collaboration, and continuous learning. The team uses Agile methodologies, industry-standard tools and technologies, and a collaborative work environment to deliver secure, reliable, and high-performing network services.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Network Security: Design and implement secure, scalable network solutions for classified and unclassified environments.
Network Performance: Optimize network performance for critical systems and applications.
Network Scalability: Design and implement network solutions that can scale to meet operational requirements.
Emerging Technologies: Stay up-to-date with emerging network technologies, best practices, and industry standards.

Learning & Development Opportunities:

Technical Skills: Pursue advanced certifications, such as Cisco Certified Network Professional (CCNP) Enterprise, Cisco Certified Design Professional (CCDP), or Juniper Networks Certified Specialist – Enterprise Routing and Switching (JNCIS-SP).
Leadership Skills: Develop leadership skills through mentoring, coaching, and project management opportunities. Pursue a role as a Network Engineering Manager or Team Lead.
Architecture Skills: Develop architecture skills through advanced network design courses and projects. Pursue a role as a Network Architect or Solutions Architect.

📝 Enhancement Note: This role offers significant opportunities for technical and leadership growth. Senior Network Engineers can develop their skills through advanced certifications, mentoring, and project management opportunities. They can also pursue roles as Network Engineering Managers, Team Leads, Network Architects, or Solutions Architects.

💡 Interview Preparation

Technical Questions:

Network Architecture: Describe your experience with network architecture and design, including network topologies, subnets, routing protocols, and network services.
Network Security: Explain your approach to network security, including secure network design, implementation, and maintenance.
Network Troubleshooting: Describe your troubleshooting and problem-resolution skills, including incident and problem reports.
Network Configuration: Demonstrate your proficiency with Cisco IOS, Junos, and other relevant network operating systems.
Network Monitoring: Explain your experience with network monitoring and management tools, including SNMP, Nagios, Zabbix, or other network monitoring platforms.

Company & Culture Questions:

Company Culture: Describe your understanding of CACI's company culture, including its focus on integrity, trust, and continuous growth.
Team Dynamics: Explain how you would collaborate with other IT teams, including systems engineering, software development, and IT security, to ensure the delivery of secure, reliable, and high-performing network services.
Problem-Solving Skills: Describe your approach to problem-solving, including your ability to analyze complex network issues and develop effective solutions.

Portfolio Presentation Strategy:

Network Architecture: Present your network architecture and design skills, including network topologies, subnets, routing protocols, and network services.
Network Security: Highlight your approach to network security, including secure network design, implementation, and maintenance.
Network Troubleshooting: Showcase your troubleshooting and problem-resolution skills, including incident and problem reports.
Network Configuration: Demonstrate your proficiency with Cisco IOS, Junos, and other relevant network operating systems.
Network Monitoring: Explain your experience with network monitoring and management tools, including SNMP, Nagios, Zabbix, or other network monitoring platforms.

📝 Enhancement Note: This role requires a strong background in network engineering, with a focus on Cisco technologies and secure network solutions. The interview process includes technical questions, company and culture questions, and a portfolio presentation strategy. The technical questions focus on network architecture, security, troubleshooting, configuration, and monitoring. The company and culture questions focus on CACI's company culture, team dynamics, and problem-solving skills. The portfolio presentation strategy focuses on network architecture, security, troubleshooting, configuration, and monitoring.

📌 Application Steps

To apply for this Senior Network Engineer position at CACI International Inc:

Tailor Your Resume: Highlight your experience with Cisco, Brocade, and Juniper devices, network architecture and design skills, and troubleshooting and problem-resolution skills.
Prepare Your Portfolio: Showcase your network architecture and design skills, secure network solutions, troubleshooting and problem-resolution skills, and network configuration and monitoring experience.
Research CACI: Familiarize yourself with CACI's company culture, including its focus on integrity, trust, and continuous growth.
Prepare for the Interview: Brush up on your Cisco, Brocade, and Juniper device configuration skills, network security best practices, and compliance with relevant standards. Prepare for a hands-on network configuration exercise and a discussion of your network architecture and design skills.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and network engineering industry-standard assumptions. All details should be verified directly with CACI International Inc before making application decisions.

Senior Network Engineer