Job Title: Network EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity:CACI’s National Mission Systems (NMS) group is seeking a highly motivated Network Engineer to support mission‑critical environments by ensuring secure, reliable, and scalable infrastructure across cloud and bare‑metal systems. This role puts you at the center of delivering a secure, resilient cutting‑edge ground infrastructure housing mission critical space-based applications. You will shape how national security missions are executed from space to ground using modern deployment approaches and emerging technologies.Must be able and willing to work onsite at CACI facility in Sterling, VA.Responsibilities:Design, maintain, and optimize LAN/WAN/VPN network infrastructuresMonitor and evaluate network performance and healthTroubleshoot and resolve complex network, hardware, software, and infrastructure issuesPlan, test, and implement network upgrades, configurations, and revisionsEnsure compliance with network security policies and government regulationsEvaluate emerging network and communication technologiesProvide escalation support and communicate incident status to management and customersConduct site surveys, planning, and design supportMaintain thorough documentation of network configurations, procedures, and incidentsCollaborate with internal teams, external service providers, and customersQualifications:Required:Active TS/SCI security clearance with polygraphBachelor’s degree in Computer Science, Information Technology, or related field of study10+ years of technical experience in Network and Transport technologies, tools, and techniquesDeep expertise in Cisco, Palo Alto, VMware NSX, VPN technologies, cryptographic devices, routing and switching, and cloud networking.Experience supporting both classified and unclassified networks.Proficiency in network monitoring and analysis toolsExcellent problem-solving and analytical skillsStrong communication and leadership abilitiesCertifications in information security (CISSP or Security+) requiredDesired:Full systems lifecycle experienceExperience with DevOps processes and toolsCertifications such as JNCIA, JNCIP, CCNA, CCNP, or similar are highly preferredThis 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:$120,800 - $265,800CACI 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.