Network Infrastructure Engineer

CACI International; McLean (VA); On-site; USD 121,000 - 266,000; Full time

Job summary

CACI International is seeking a Network Infrastructure Engineer to support the Luke Team in NOVA. You will deploy, configure, and monitor Cisco routers, switches, and firewalls, ensuring high availability of the data communications network and secure access for users.

The role requires TS/SCI with polygraph, up to 25% travel, and a background in enterprise network architectures, IPv4, routing, VPNs, and security best practices.

Qualifications

• Active TS/SCI with Polygraph is required.
• Bachelor’s degree in Computer Science, Engineering or related field, or equivalent experience.
• Experience designing and building enterprise-level network architectures.
• Experience supporting and troubleshooting production networks with Cisco platforms.
• Knowledge of networking protocols: TCP/IP, Routing (static, OSPF, BGP), VPNs, SSH, ACLs.
• Familiarity with Solarwinds or similar network management tools.
• Understanding of IPv4 networks and network device hardening best practices.
• Experience with Linux/Unix and Windows operating systems.
• Strong attention to detail, problem solving, and teamwork.

Responsibilities

• Deploy, configure, maintain and monitor Cisco routers, switches, and firewalls.
• Troubleshoot and resolve network issues; implement security measures and optimize performance.
• Monitor and resolve network-related service tickets.
• Maintain SOPs and network design documentation.
• Set up user accounts, permissions, and passwords.
• Perform network upgrades to maintain integrity and availability.
• Support and administer third-party applications.
• Ensure security and efficiency of IT infrastructure per industry standards.

Skills

Enterprise network design

Cisco networks

TCP/IP

Routing (OSPF/BGP)

Firewall configuration

SSH & VPNs

Network management tools

Linux/Unix familiarity

Education

Bachelor's degree in Computer Science or Engineering

Tools

Solarwinds

Cisco devices

Cloud basics (AWS/Azure/GCP)

Job description

Job Title: Network Infrastructure Engineer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: Up to 25%

Type of Travel: Local

* * *

The Opportunity:

CACi is looking for a Network Engineer to join the Luke Team! You will support the customer’s data communications network; maintain the network hardware and software as well as monitor the network to ensure availability to all system users; and perform the necessary maintenance to support network availability. You will need to be proficient in Cisco network solutions, as well as software defined networks and firewalls from AWS, Google, and Microsoft.
The purpose of the Luke program, is to provide dev ops, applied technology investigations, operations and maintenance and infrastructure lifecycle support services across the ODNI’s enterprise. Our support in NOVA and Bethesda includes software engineering/development, O&M, technology investigations, customer advocacy, business process engineering, and system design. Invent your future and make a lasting impact at CACI!

Responsibilities:

• Deploy, configure, maintain and monitor all active network equipment (Cisco routers, switches, firewalls) ensuring seamless network operations
• Responsible for troubleshooting and resolving network issues, implementing security measures and proactively optimizing network performance
• Monitor and resolve network related service tickets
• Maintain Standard Operating Procedures (SOPs) and network design documentation
• Setup user accounts, permissions and passwords
• Perform network upgrades to maintain system integrity and overall availability
• Support and administer third-party applications
• Ensure security and efficiency of IT infrastructure following industry standards

Qualifications: Required:

• Active TS/SCI with Polygraph
• Bachelor’s degree in Computer Science, Engineering or similar field or similar experience
• Experience designing and building enterprise-level network architectures
• Experience supporting and troubleshooting production network systems built with Cisco network vendor platforms
• Knowledge of and experience with networking technology and protocols, TCP/IP, Routing (static, OSPF, BGP, and policy-based), Firewalls (zone based polices and ACLs), SSH, VPNs
• Knowledge of network management platforms such as Solarwinds
• Demonstrated understanding of IPv4 networks
• Experience with network device hardening in accordance with industry best practices
• Knowledge of different operating systems (Microsoft, Unix, Linux, etc.)
• Attention to detail, problem solving mindset, critical thinking and teamworking skills

Desired:

• Cisco CCNP certifications or skill level at minimum (Senior / Expert)
• Experience with automating network tasks using Ansible or Python
• Familiarity with cloud hosting solutions such as Amazon AWS, Microsoft Azure and Google Cloud
• VMWare experience
• CompTIA Network+, CCNP, CCNA certifications

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.

$120,800 - $265,800

CACI is anEqualOpportunity 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 otherprotectedcharacteristic.