Sr. Network Engineer
π Job Overview
- Job Title: Sr. Network Engineer
- Company: CACI International Inc
- Location: Remote (Any State)
- Job Type: Full-Time
- Category: Network Infrastructure
- Date Posted: 2025-06-11
- Experience Level: 5-10 years
- Remote Status: Remote
π Role Summary
- Primary Responsibilities: Design, maintain, and troubleshoot network infrastructure, including routing, switching, and network access control.
- Key Technologies: Cisco networking devices, MSTP, ForeScout, Cisco UC VoIP, VTC, TCP/IP, OSPF, EIGRP, BGP, VLAN.
- Impact: Ensure network stability, security, and optimal performance to support critical missions.
π Enhancement Note: This role requires a balance of technical expertise and adaptability to work in various environments, with a focus on maintaining high network availability and security.
π» Primary Responsibilities
-
Network Infrastructure Management:
- Configure, maintain, and troubleshoot routing and switching infrastructure, including core, distribution, and access layer devices.
- Implement and optimize MSTP (Multiple Spanning Tree Protocol) for enhanced network stability and redundancy.
-
Network Access Control (NAC):
- Design, configure, and manage ForeScout appliances for robust Network Access Control.
- Implement and enforce network security policies by integrating NAC solutions with active directory, device profiling, and access controls.
- Perform troubleshooting and optimization of NAC systems to ensure network security compliance.
-
Cisco UC VoIP & VTC Support:
- Provide support and troubleshooting for Cisco Unified Communications (UC) VoIP solutions.
- Assist with configuration and maintenance of video teleconferencing (VTC) systems, ensuring seamless communication across multiple platforms.
-
Network Monitoring & Troubleshooting:
- Continuously monitor network performance and security, responding to incidents or issues in a timely manner.
- Work with network monitoring tools to identify, diagnose, and resolve network-related problems.
-
Collaboration & Documentation:
- Collaborate with other IT teams to integrate network systems with existing IT infrastructure.
- Maintain up-to-date documentation for network configurations, troubleshooting steps, and network topology.
π Skills & Qualifications
Education: Bachelorβs degree in Computer Science, Information Technology, or a related field.
Experience: 7 years of experience in network support or administration.
Required Skills:
- Proven experience working with Cisco networking devices (routers, switches, and firewalls).
- In-depth knowledge and hands-on experience with MSTP operation, configuration, and troubleshooting.
- Strong expertise in implementing and managing Network Access Control (NAC) solutions, specifically with ForeScout appliances.
- Familiarity with Cisco Unified Communications (UC) and VoIP technologies.
- Experience with Video Teleconferencing (VTC) solutions, preferably with Cisco platforms.
- Understanding of networking protocols such as TCP/IP, OSPF, EIGRP, BGP, and VLAN configurations.
- Experience in deploy and manage DNA/Catalyst Center.
- Knowledge of layer2 and layer3 encryptor (TACLANE).
Preferred Skills:
- Familiarity with cloud-based communication platforms.
- Knowledge of scripting languages (e.g., Python, PowerShell).
- Experience with other network security tools or firewalls.
Certifications:
- Cisco Certified Network Professional (CCNP) Enterprise or equivalent Cisco certifications (e.g., CCIE).
- CompTIA Security+ or equivalent DoD 8570 II Security Certification.
π Web Portfolio & Project Requirements
Portfolio Essentials:
- Demonstrate experience in network infrastructure design, implementation, and troubleshooting.
- Showcase projects that highlight network access control, Cisco UC VoIP, and VTC solutions.
- Include case studies or examples of network monitoring and troubleshooting efforts.
Technical Documentation:
- Provide network diagrams, configuration files, and documentation that showcase your technical expertise and attention to detail.
- Include any relevant certifications or training materials that demonstrate your commitment to continuous learning.
π Enhancement Note: Highlight your ability to work in diverse environments and adapt to unique network challenges, as this is crucial for success in this role.
π΅ Compensation & Benefits
Salary Range: The proposed salary range for this position is $90,300 - $189,600 per year. This range is the national average for the position and may vary based on location, experience, and other factors.
Benefits:
- Healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
Working Hours: Full-time, with flexible time off benefits and opportunities for continuous growth and learning.
π― Team & Company Context
Company Culture:
- Industry: Information Technology and Government Services
- Company Size: Large (Over 20,000 employees)
- Founded: 1962
- Team Structure: The network engineering team works collaboratively with other IT teams to integrate network systems with existing infrastructure. The team is responsible for maintaining high network availability and security to support critical missions.
- Development Methodology: The team follows industry-standard network engineering best practices and utilizes Agile methodologies for project management.
Company Website: CACI International Inc
π Enhancement Note: CACI values character, innovation, trust, and continuous growth. Employees can expect a culture that fosters integrity, autonomy, and opportunities for professional development.
π Career & Growth Analysis
Network Engineer Career Level: This role is an experienced senior position, focusing on network infrastructure management, access control, and support for critical communication systems. The ideal candidate will have a deep understanding of network protocols, Cisco technologies, and network security best practices.
Reporting Structure: The Sr. Network Engineer reports directly to the Network Engineering Manager and works collaboratively with other IT teams to ensure optimal network performance and security.
Technical Impact: This role has a significant impact on network stability, security, and performance, which directly supports critical missions and communication systems. The Sr. Network Engineer is responsible for maintaining high network availability and ensuring that network security policies are enforced.
Growth Opportunities:
- Technical Growth: Expand expertise in emerging network technologies, cloud-based communication platforms, and scripting languages.
- Leadership Development: Develop leadership skills through mentoring junior team members and contributing to strategic network decisions.
- Architecture & Design: Gain experience in network architecture and design, contributing to the development of next-generation network infrastructure.
π Enhancement Note: CACI offers opportunities for continuous growth and learning, with a focus on developing technical expertise and leadership skills.
π Work Environment
Office Type: Remote work environment with occasional travel requirements (up to 75%).
Office Location(s): Remote (Any State)
Workspace Context:
- Remote Work: Employees have the autonomy to manage their time and work environment, with the expectation of maintaining high productivity and communication with the team.
- Collaboration Tools: Utilize collaboration tools such as video conferencing, instant messaging, and project management platforms to stay connected with the team and stakeholders.
- Professional Development: CACI offers robust learning resources and opportunities for professional development to support employee growth and success.
Work Schedule: Full-time, with flexible time off benefits and opportunities for continuous growth and learning.
π Enhancement Note: CACI values work-life balance and offers flexible time off benefits to support employees in achieving their personal and professional goals.
π Application & Technical Interview Process
Interview Process:
- Phone Screen: A brief phone conversation to assess communication skills and technical fit for the role.
- Technical Assessment: A hands-on technical assessment, focusing on network infrastructure design, configuration, and troubleshooting.
- Behavioral Interview: An in-depth discussion of your problem-solving skills, teamwork, and adaptability in a dynamic work environment.
- Final Review: A final review with the hiring manager to discuss the fit and next steps in the interview process.
Portfolio Review Tips:
- Highlight your experience in network infrastructure design, implementation, and troubleshooting.
- Include case studies or examples of network access control, Cisco UC VoIP, and VTC solutions.
- Showcase your ability to work in diverse environments and adapt to unique network challenges.
Technical Challenge Preparation:
- Brush up on your knowledge of Cisco networking devices, MSTP, ForeScout, Cisco UC VoIP, VTC, and networking protocols.
- Practice network infrastructure design, configuration, and troubleshooting exercises to prepare for the technical assessment.
- Familiarize yourself with CACI's company culture, values, and mission to demonstrate your fit and enthusiasm for the role.
ATS Keywords: Cisco, Network Engineer, Routing, Switching, MSTP, ForeScout, VoIP, VTC, Network Security, Network Access Control, Network Infrastructure, Technical Interview, Technical Assessment, Problem-Solving, Teamwork, Adaptability, Network Protocols, TCP/IP, OSPF, EIGRP, BGP, VLAN, Network Monitoring, Network Troubleshooting, Network Documentation, Network Architecture, Network Design, Network Security Policies, Cloud-Based Communication Platforms, Scripting Languages, Leadership, Mentoring, Professional Development, Work-Life Balance, Flexible Time Off, Collaboration Tools, Video Conferencing, Instant Messaging, Project Management, Technical Interview Preparation, Technical Assessment Preparation.
π Enhancement Note: Tailor your resume and application materials to highlight your relevant experience and skills, using the provided ATS keywords to optimize your chances of being selected for an interview.
π Technology Stack & Web Infrastructure
Network Infrastructure:
- Cisco networking devices (routers, switches, and firewalls)
- MSTP (Multiple Spanning Tree Protocol)
- ForeScout appliances for Network Access Control
- Cisco UC VoIP and VTC solutions
- Network monitoring tools (e.g., SolarWinds, Nagios, Zabbix)
- Network configuration and management tools (e.g., Ansible, Puppet, Chef)
Network Protocols:
- TCP/IP
- OSPF
- EIGRP
- BGP
- VLAN
Collaboration Tools:
- Video conferencing (e.g., Zoom, Microsoft Teams)
- Instant messaging (e.g., Slack, Microsoft Teams)
- Project management platforms (e.g., Jira, Asana, Trello)
π Enhancement Note: Familiarize yourself with the latest versions of the technology stack and be prepared to discuss your experience with these tools and platforms during the technical interview process.
π₯ Team Culture & Values
Network Engineering Values:
- Expertise: Demonstrate a deep understanding of network infrastructure, protocols, and security best practices.
- Adaptability: Show the ability to work in diverse environments and adapt to unique network challenges.
- Collaboration: Foster strong working relationships with other IT teams to ensure optimal network performance and security.
- Continuous Learning: Stay up-to-date with emerging network technologies, trends, and best practices.
Collaboration Style:
- Cross-Functional Integration: Work closely with other IT teams to integrate network systems with existing infrastructure and ensure optimal performance.
- Code Review Culture: Collaborate with team members to review network configurations, troubleshooting steps, and documentation to ensure quality and consistency.
- Knowledge Sharing: Contribute to the team's collective knowledge by sharing your expertise and experiences with network infrastructure, access control, and support for critical communication systems.
π Enhancement Note: CACI values a culture of integrity, innovation, trust, and continuous growth. Employees are encouraged to collaborate, share knowledge, and contribute to the team's collective success.
π Challenges & Growth Opportunities
Technical Challenges:
- Network Infrastructure Management: Design, configure, and maintain network infrastructure to ensure high availability and security.
- Network Access Control: Implement and enforce network security policies using ForeScout appliances and integrate with active directory, device profiling, and access controls.
- Cisco UC VoIP & VTC Support: Provide support and troubleshooting for Cisco Unified Communications (UC) VoIP solutions and assist with configuration and maintenance of video teleconferencing (VTC) systems.
- Network Monitoring & Troubleshooting: Continuously monitor network performance and security, responding to incidents or issues in a timely manner.
Learning & Development Opportunities:
- Technical Skill Development: Expand your expertise in emerging network technologies, cloud-based communication platforms, and scripting languages.
- Certification & Training: Pursue relevant certifications and training opportunities to enhance your technical skills and advance your career.
- Mentoring & Leadership Development: Contribute to the team's collective knowledge and growth by mentoring junior team members and developing your leadership skills.
π Enhancement Note: CACI offers opportunities for continuous growth and learning, with a focus on developing technical expertise and leadership skills. Employees are encouraged to pursue relevant certifications, training, and mentoring opportunities to advance their careers.
π‘ Interview Preparation
Technical Questions:
-
Network Infrastructure Management:
- Describe your experience with network infrastructure design, configuration, and troubleshooting.
- How have you optimized network performance and security using MSTP, network access control, and other best practices?
- Can you provide examples of network monitoring and troubleshooting efforts, and how you identified and resolved network-related problems?
-
Cisco UC VoIP & VTC Support:
- Discuss your experience with Cisco Unified Communications (UC) VoIP solutions and video teleconferencing (VTC) systems.
- How have you provided support and troubleshooting for these critical communication systems, and what steps have you taken to ensure seamless communication across multiple platforms?
-
Problem-Solving & Adaptability:
- Describe a complex network challenge you faced and how you approached it, highlighting your problem-solving skills and adaptability in a dynamic work environment.
Company & Culture Questions:
- CACI Culture: How do you align with CACI's values of integrity, innovation, trust, and continuous growth?
- Teamwork & Collaboration: Describe your experience working in a team environment and how you have contributed to the success of your colleagues and the organization as a whole.
- Professional Development: How do you stay up-to-date with emerging network technologies, trends, and best practices, and what steps do you take to continue growing as a network engineering professional?
Portfolio Presentation Strategy:
- Network Infrastructure Projects: Highlight your experience in network infrastructure design, implementation, and troubleshooting, focusing on the challenges you faced and how you overcame them.
- Network Access Control & Security: Showcase your expertise in network access control and security, emphasizing your ability to enforce network security policies and maintain high network availability.
- Cisco UC VoIP & VTC Support: Demonstrate your experience supporting and troubleshooting Cisco Unified Communications (UC) VoIP solutions and video teleconferencing (VTC) systems, highlighting your ability to ensure seamless communication across multiple platforms.
π Enhancement Note: Prepare for the technical interview by brushing up on your knowledge of the technology stack, network protocols, and best practices. Familiarize yourself with CACI's company culture, values, and mission to demonstrate your fit and enthusiasm for the role.
π Application Steps
To apply for this Sr. Network Engineer position:
- Resume Optimization: Tailor your resume to highlight your relevant experience and skills, using the provided ATS keywords to optimize your chances of being selected for an interview.
- Portfolio Preparation: Prepare a portfolio that showcases your experience in network infrastructure design, implementation, and troubleshooting, focusing on network access control, Cisco UC VoIP, and VTC solutions.
- Technical Interview Preparation: Brush up on your knowledge of the technology stack, network protocols, and best practices. Familiarize yourself with CACI's company culture, values, and mission to demonstrate your fit and enthusiasm for the role.
- Application Submission: Submit your application through the provided link, ensuring that all required documents are included and that your application materials are tailored to the Sr. Network Engineer role.
β οΈ Important Notice: This enhanced job description includes AI-generated insights and industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.
Application Requirements
Candidates must have a Bachelor's degree in a related field and at least 7 years of experience in network support or administration. Required certifications include CCNP Enterprise or equivalent and CompTIA Security+ or equivalent.