Network Administrator (Journeyman)

CACI International Inc; Ashburn (VA); On-site; USD 73,000 - 149,000; Full time

Job summary

CACI International Inc. seeks a Journeyman Network Administrator to support the GMOS contract for the Department of State.

You will lead network operations across geographically distributed locations, maintain WAN/LAN, and implement firewall and security policies to ensure reliable services. The role involves configuring load balancers, API gateways, and monitoring tools, while coordinating with DT ENMOC for proactive issue resolution and capacity planning.

Qualifications

• Active Secret Clearance required.
• Experience with Cisco LAN/WAN and network security.
• Ability to design, implement, and troubleshoot complex networks.

Responsibilities

• Establish and maintain WAN connectivity across remote sites.
• Configure LANs/VLANs with detailed documentation.
• Install and manage network monitoring servers and applications.
• Configure load balancers and API gateways.
• Monitor network performance and capacity planning.
• Maintain firewall rules and security policies.
• Provide Tier-3 support for network incidents.

Skills

Cisco LAN/VLAN configuration

WAN connectivity

Network monitoring

Firewall administration

Troubleshooting

Analytical problem-solving

Capacity planning

IT operations

Education

Bachelor's degree in IT/CS or related field

Tools

SolarWinds

PRTG

Nagios

F5 devices

Palo Alto firewalls

Broadcom L7 / API gateways

Job description

Job Title: Network Administrator (Journeyman)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity:CACI is seeking a Journeyman Network Administrator for the Global Mission Operations Support (GMOS) contract, supporting the Department of State. This role offers a unique opportunity to enhance national security through advanced IT solutions. You will collaborate with experienced professionals in an innovative environment, guiding a high-performing team to deliver excellence. The GMOS contract aims to provide world-class IT support by modernizing and maintaining applications and infrastructure using an integrated IT Service Management approach. Join us to make a meaningful impact on a program of national importance.Responsibilities:Establish and maintain WAN connectivity with remote CA sites and DT, ensuring reliable network communications across geographically distributed locationsDiagram, document, configure, and maintain LANs/VLANs including detailed rack elevations, wiring diagrams, and facility floor plansInstall, configure, troubleshoot, and maintain network monitoring servers and software to ensure comprehensive visibility into network performanceInstall and configure load balancers and API Gateways appliances or virtual instances in data centers, cloud, or hybrid setupsAnalyze network equipment logs to identify trends, detect problems, and maximize network performance and efficiencyMonitor infrastructure system availability for CA locations, coordinating with DT ENMOC to proactively identify and resolve network issuesMonitor infrastructure utilization, proactively analyze performance trends, and request/track capacity upgrades to meet evolving business requirementsPerform preventive and remedial maintenance on network infrastructure and recommend configuration changes and upgrades to enhance reliabilityMonitor WAN links supporting CA remote sites and data center connectivity, ensuring optimal performance and availabilityDesign, create, implement, and troubleshoot Firewall Rules, micro-segmentation policies, iRules, or API gateway policies for networking devices and applications to maintain security while enabling business operationsDevelop and enhance technical or functional workarounds and triage steps that aid Service Desk Technicians in rapidly resolving network-related issuesPerform daily administration, updates, and patching of F5 devicesProvide technical support, troubleshooting, and mitigation for F5‑related incidentsQualifications:Required:Bachelor's degree + 4 years of experience in related fields, such as network administration, network engineering, systems administration, infrastructure support, or IT operations; equivalencies considered.Active Secret ClearanceProven experience with network administration including Cisco LAN/VLAN configuration, WAN connectivity, network security, and network monitoringDemonstrated knowledge of network protocols, routing, switching, and firewall administrationStrong understanding of network troubleshooting, performance analysis, and capacity planningExcellent analytical and problem-solving skills with ability to diagnose complex network issues and implement effective solutionsDesired:Prior experience supporting federal agencies, especially the Department of StateExperience with network monitoring tools (e.g., SolarWinds, PRTG, Nagios) and network management platformsExperience with network automationExperience with configuring and maintaining f5, Palo Alto firewalls, cloud networking, and Broadcom Layer 7 or Mulesoft API gatewaysProfessional certifications such as Cisco CCNA, CompTIA Network+, or similar networking certificationsKnowledge of ITIL frameworks and IT Service Management best practices for network operationsThis position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.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:$72,700 - $149,200CACI 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.