Network Engineer - Senior

• Job Category: Information Technology
• Time Type: Full time
• Minimum Clearance Required to Start: Secret
• Employee Type: Regular-Long Term Assignment
• Percentage of Travel Required: Up to 10%
• Type of Travel: Local

The Opportunity

CACI is seeking a senior Network Engineer to support Department of Defense customers across the European theater, including US European Command (EUCOM).

This position focuses on advanced troubleshooting, sustainment, and operational support of enterprise and secure network infrastructure in a mission-focused environment.

The role includes support for secure remote access solutions (CSf C, IPsec, and DMVPN remote kits).

Responsibilities

• Provide advanced support for secure Do D enterprise and datacenter network infrastructure, ensuring high availability and mission readiness across geographically dispersed sites.
• Perform advanced troubleshooting and resolution of complex routing and switching environments, including standard protocols and advanced transport methods (DMVPN, MPLS Segment-Routing).
• Support and maintain datacenter network fabrics using Cisco ACI and Cisco Nexus switching platforms.
• Support and maintain Palo Alto and Cisco Firepower firewalls, including centralized management platforms (Panorama, FMC).
• Assist with administration and troubleshooting of Cisco Identity Services Engine (ISE) for secure endpoint access, policy enforcement, and Zero Trust architecture support.
• Support Cisco DNA Center (DNAC) for network management, automation, and Software-Defined Access (SDA).
• Support provisioning, keying, and maintenance of KG encryptors (e. g., TACLANE) to secure classified and mission-critical traffic.
• Configure, operate, sustain, and troubleshoot secure remote access solutions, including CSf C components, IPsec tunnels, and DMVPN-based remote kits.
• Assist with core network services including Citrix Net Scaler and Infoblox (DNS, DHCP, IPAM).
• Perform advanced configuration, patching, performance tuning, and documentation of network devices and supporting infrastructure.
• Identify and resolve performance bottlenecks and single points of failure.
• Coordinate with network services, Information Assurance, systems engineering, and asset management teams to resolve complex issues.
• Perform on-site installation, repair, and preventive maintenance of network and endpoint equipment.
• Maintain accurate network diagrams, configuration documentation, and standard operating procedures.
• Participate in problem management processes, including root-cause analysis, escalation, tracking, and after-action reporting.
• Interface with vendors for hardware and software support on complex issues.
• Provide remote support and travel to customer sites as required.
• Communicate clearly and professionally with client managers, system users, and team members in a fast-paced environment.

Qualifications

• Required
• BA/BS + 3 years recent specialized or AA/AS +5 years recent specialized or a major cert + 7 years recent specialized or 9 years of recent specialized experience
• Current Secret Clearance – Ability to Obtain TS/SCI
• Cisco Certified Network Professional (CCNP)
• Industry knowledge and experience, including current industry trends and challenges.
• Strong interpersonal and communication skills and a team player mindset.
• Security Certifications (CEH, CASP, CISSP, or equivalent – IAT Level II)
• Do D 8570/8140 baseline certification (Security+ or higher)
• Strong hands‑on experience with enterprise routing, switching, and VPN technologies (including DMVPN and IPsec)
• Experience supporting firewalls (Palo Alto and/or Cisco Firepower) preferred
• Familiarity with Cisco ACI, Cisco ISE, Cisco DNAC, KG encryptors, Citrix Net Scaler, or Infoblox is a plus
• Experience with CSf C or similar secure remote access solutions preferred
• Proven ability to resolve complex network issues independently
• Desired
• Experience working with IT customers within the Department of Defense.
• Experience with Aruba Mobility controllers and Remote Access Points (RAPs).
• Experience with NSA CSf C Capability Packages and accredited components
• Excellent Troubleshooting Skills
• Ability to work independently and collaboratively in a mission-critical environment
• Excellent written and verbal communication skills
• Ability to communicate verbally and in writing with diverse members of other technical teams and with the customer base.
• Microsoft Certified Systems Administrator (MCSA 2012/2016)
• ITIL v4 - Foundation
• Automation using Microsoft Power Shell, VBScript, or batch files
• The ability to adapt to changing circumstances and operational needs
• Experience working in Vm Ware ESXi environments
• Experience working in Virtual Desktop Infrastructure environments
• Experience with network storage (SAN/NAS)
• Experience with enterprise backup solutions
• Understanding of Department of Defense Military standards
• 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

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.

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