Senior Network Engineer w/CCNP- Top Secret Clearance
System One
Senior Network Engineer
Position Overview
We are seeking a Senior Network Engineer to support a high-visibility federal customer and its mission-critical enterprise network environment. This position requires an experienced network professional who can design, implement, secure, troubleshoot, and modernize complex network infrastructure.The ideal candidate will have extensive hands-on experience with enterprise LAN and WAN environments, advanced Cisco networking expertise, and a current Cisco Certified Network Professional certification . The engineer will work directly with technical stakeholders and customer leadership to translate operational requirements into reliable, secure, and scalable network solutions.
Successful candidates will be detail-oriented, highly accountable, and comfortable responding to emerging technical challenges in a mission-focused environment. This role requires the ability to work independently, collaborate across technical teams, and quickly learn new technologies, products, and processes.
Responsibilities
• Translate customer and technical requirements into network designs, modifications, reconfigurations, and technology upgrades• Design, deploy, configure, and optimize business-critical enterprise network environments
• Provide senior-level network engineering support for current and future enterprise and tactical network requirements
• Develop network architectures, implementation plans, configuration standards, and technical documentation
• Provide Tier 3 and Tier 4 troubleshooting and engineering support across routers, switches, firewalls, wireless infrastructure, controllers, and related network technologies
• Analyze network topologies, traffic patterns, performance, scalability, and capacity requirements
• Plan network layouts and configure systems based on customer, security, and operational requirements
• Investigate and evaluate new networking technologies to modernize and improve existing solutions
• Apply current and emerging network hardware, software, protocols, and security technologies to solve complex engineering challenges
• Support network hardware and software acquisitions, installation, integration, testing, and lifecycle management
• Create and maintain technical documentation, including standard operating procedures, implementation guides, configuration checklists, diagrams, and troubleshooting procedures
• Provide technical guidance and leadership to junior and mid-level network personnel
• Serve as a technical lead for assigned projects, engineering efforts, or operational tasks
• Communicate technical findings, risks, recommendations, and solutions to both technical and nontechnical stakeholders
• Maintain knowledge of relevant networking technologies, cybersecurity requirements, and industry best practices
Required Qualifications
• Active Top Secret clearance with SCI access or current SCI eligibility• Current Cisco Certified Network Professional certification
• Current DoD 8140 or DoD 8570 IAT Level II certification or higher, such as Security+ CE, GSEC, SSCP, GICSP, or another qualifying certification
• At least 10 years of professional information technology experience
• At least 10 years of hands-on experience supporting network infrastructure, network security, and LAN and WAN environments
• Advanced experience designing, implementing, administering, and troubleshooting enterprise network infrastructure
• Hands-on experience with routers, switches, firewalls, wireless access points, wireless controllers, and related network devices
• Strong knowledge of network infrastructure protocols, application transport, routing, switching, segmentation, redundancy, and network security concepts
• Experience supporting complex network environments using technologies from Cisco and one or more additional vendors, such as Fortinet, Arista, Aruba, or Palo Alto Networks
• Experience developing technical checklists, standard operating procedures, implementation guides, network diagrams, and related engineering documentation
• Demonstrated ability to troubleshoot complex network issues and perform root cause analysis
• Ability to quickly learn unfamiliar technologies and products using technical documentation and other approved resources
• Strong written and verbal communication skills
• Ability to work independently, take initiative, and operate effectively within established technical and security guidelines
• Proficiency with Microsoft Office applications, including Excel, Word, PowerPoint, and Outlook
• Ability to travel up to 10 percent
Preferred Qualifications
• Master’s degree in Information Technology, Computer Science, Computer Engineering, Cybersecurity, or a related technical discipline• Experience supporting high-visibility or mission-critical federal network environments
• Experience serving as a technical lead or senior escalation point for enterprise networking teams
• Experience with network modernization, technology refresh, infrastructure migration, or large-scale network upgrade initiatives
• Experience working directly with government stakeholders and executive-level customers
Key Skills
• Enterprise network engineering• Cisco routing and switching
• LAN and WAN architecture
• Network security
• Firewall administration
• Wireless networking
• Network modernization
• Tier 3 and Tier 4 troubleshooting
• Network architecture and design
• Technical leadership
• Technical documentation
• Customer-facing engineering support
Clearance Requirement
- This position requires an active Top Secret clearance with SCI access or current eligibility for SCI access. Applicants must be able to satisfy all customer security and access requirements.
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#M1
#LI-CS1
Ref: #851-Rockville-S1
System One, and its subsidiaries including Joulé, ALTA IT Services, TeamPeople, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
- ...Senior Network Engineer Position Overview We are seeking a Senior Network Engineer to support a high-visibility federal customer... ...best practices Required Qualifications • Active Top Secret clearance with SCI access or current SCI eligibility • Current...Secret clearanceSeniorWork at officeLocal area
$111k - $192k
...ResponsibilitiesLMI is seeking a skilled Network Engineer to design, build, and maintain... ...fundamentals. Relevant certification (e.g., CCNA, CCNP, Security+). Familiarity with ICD 705... ..., systems, or environments. TS/SCI clearance and SAP eligibility are required for this...Secret clearanceSeniorFull timeContract workNight shift$180k
...Description Job Description Job Title: Senior Network Engineer CCNP Location: Bolling AFB, DC Type:... ...Model: Onsite Hours: 40.0 Security Clearance: TS/SCI Responsibilities... ...documentation and internet resources. Active Top-Secret clearance with SCI, or the ability...Secret clearanceSeniorContract workFor contractorsFor subcontractorLocal area- ...Analyst based in Alexandria, VA. This role requires an Active DoD Top Secret Clearance with SCI eligibility. The ideal candidate will have at least... ...policy analysis, technical support, and communication with senior leaders. The job requires a Bachelor’s degree, along with...Secret clearanceSenior
$98k - $163k
Job Family:Network EngineeringTravel Required:Up to 10%Clearance Required:Active Top Secret (TS)What You Will DoGuidehouse is seeking a highly capable Senior Network Engineer to support a large-scale federal enterprise... ...such as CCNA, CCNP, or equivalent.Experience...Secret clearanceSeniorFull timeFlexible hours$80k - $150k
...Lead. This role involves designing and building communications networks, ensuring compliance and performance. Candidates should... ...significant network administration experience, and an active DoD clearance. You will be pivotal in enhancing network capabilities and mentoring...Secret clearanceSenior- ...Senior Network Engineer GDIT is seeking a Senior Network Engineer to help support the JSP... ...Arista and Aruba platforms. Active Top Secret/SCI security clearance Bachelors' Degree in a related... ...Certifications - Brocade, Cisco (CCNA/CCNP), Juniper (JNCIA/JNCIS/JNCIP),...Secret clearanceSeniorFull timeWork experience placementFor subcontractorRemote work
- SMS Data Products Group, Inc. is seeking a Sr. Network Administrator to support the Base Infrastructure Modernization... ...ideal candidate will have extensive DoD experience, CCNP certification, and a DoD Secret clearance to manage configuration, patching and incident...Secret clearanceSeniorContract work
- ...Onsite, 5 days/week - Washington, DC Clearance Required: Active Top Secret The Sr. Network Engineer provides senior-level engineering support for mission-... ...~ Required technical certifications include CCNP Enterprise Why Improvix At Improvix...Secret clearanceSeniorLocal areaImmediate start
$150k - $160k
...support this mission, we are seeking a Senior Network Engineer to support the Department of... ...required. Required Experience/Clearance ~ Active Top Secret (TS) security clearance with SCI eligibility... ...-level certifications such as CCNP, CCIE, JNCIP, or JNCIE. DoD 857...Secret clearanceSeniorContract workWork at officeLocal areaRemote work- ...Senior Networking Administrator - Network Engineer We're looking for a dedicated professional to... ...active TS/SCI security clearance and offers a unique opportunity... ...For: ~ Active Top Secret/SCI security clearance... ...as Brocade, Cisco (CCNA/CCNP), Juniper (JNCIA/JNCIS/JNCIP...Secret clearanceSeniorFull timeWork experience placementImmediate startMonday to ThursdayAfternoon shift
$130k - $145k
...Senior Network Engineer Lead All Native Group is looking to fill the... ...Routing and Switching (CCNP) preferred... ...Native Group. Security Clearance Must be a US Citizen with an Active SECRET Clearance with the ability to obtain a Top-Secret clearance. Compensation...Secret clearanceSeniorFull timeWork at officeLocal areaMonday to FridayWeekend workAfternoon shift$140k - $175k
...WORK AUTHORIZATION/SECURITY CLEARANCE U.S. Citizen Top Secret Clearance WAGE INFORMATION... ...Responsibilities We are seeking a Senior Software Engineer to join our team supporting the... ...~ Knowledge of TCP/IP and data network protocols ~ Experience with establishing...Secret clearanceSeniorFull timeContract workTemporary workWork at officeLocal areaMonday to FridayWeekend workDay shiftAfternoon shift$98.61k - $167.64k
...The Work: ICF is seeking an experienced and driven Software Engineer to lead and oversee mission-critical initiatives in support... ...and external partners. What You Will Bring With You: Active Top Secret Clearance Proven experience (8+ years) supporting the full Software Development...Secret clearanceSeniorFull timeContract workWork experience placementWork at officeImmediate startRemote work$150.03k - $163.02k
...Description Job Description Senior Network Engineer (TS/SCI Cleared)Who We... ...teamsRequired QualificationsActive Top Secret security clearanceDoD 8140/... ..., such as CISSP, CASP+, or CCNP Security)Familiarity with... ...networksActive Top Secret clearance with SCI eligibilityPay...Secret clearanceSeniorFull timeContract workFor subcontractorWork at office$146k - $234k
...The team provides Software and System Engineering, Software and System Development and Operations... ...of product goals as defined by top management, definition of project strategy... ...Qualifications Active/Current Top-Secret Clearance Bachelor’s degree with eight (8+) years...Secret clearanceSenior- ...execution over bureaucracy. Title: Senior Network Engineer Location: Washington, DC (... ...Salary: 155,000 - 170,000 DOE Clearance: Active Top Secret with SCI eligibility Travel: %... ...(SCI) access required. ~ CCNA or CCNP is required. ~8 years of hands-on...Secret clearanceSeniorFull timeWork experience placementFlexible hours
$80k - $150k
...experience) Summary As a Network Engineer, you will review and evaluate... .... Have an active DoD Top Secret clearance with SCI eligibility. One... ...certifications: Brocade, Cisco (CCNA / CCNP), Juniper (JNCIA / JNCIS /... ...a fast‑paced environment. Seniority level Mid‑Senior level...Secret clearancePermanent employmentFull timeWork experience placementFor subcontractorRemote work$92.3k - $166.85k
...the Role:Leidos is seeking a Network Engineer to lead vulnerability... ...status, risks, and metrics to senior leadership. •Lead emergency... ...Citizen and possess an active Secret clearance.•Expert knowledge of F5, Cisco... ...management skills. •CISSP, CCNP, or equivalent certifications...Secret clearanceSeniorFull time$100k
...seeking an experienced Senior Telecommunication Network Engineer who specializes in Local... ...Certified Network Professional (CCNP), Cisco Certified... ...certifications. Citizenship and Clearance: US Citizenship is... ...maintain a current DoD Top Secret Clearance Education:...Secret clearanceSeniorLocal areaImmediate startRemote work- ...agencies. From customers to partners to top-talent employees, ValidaTek puts... ...Summary:We are seeking a highly skilled Senior Network Engineer to join our team. The ideal candidate... .... Qualifications: Active DoD Secret clearance required at minimum, but must be able...Secret clearanceSeniorFull timeContract workRemote work
- ...security, data analytics, engineering, technical, managerial, operational... ...infrastructure comprising networks, systems, information, and... ...: CASP+ CE, CCNP Security, CEH, CFR, CHFI,... ...citizenship required. Active Top Secret security clearance with SCI eligibility....Secret clearanceSenior
- DescriptionThe Enterprise Network Management Business Unit... ...an opening for a Network Engineering SME to support a Department... ...customers. Required Clearance:US Citizenship.Active Top Secret Clearance.Desired Experience... ...Network +, Cisco CCNA, Cisco CCNP, CCVP, Aruba or...Secret clearanceSeniorWork at office
- ...Senior Network Engineer ValidaTek, Inc. is an award-winning Small Business that provides high-... ...Leadership - Serves as consultant to top management in company planning concerning... ...MINIMUM QUALIFICATIONS: ~ Top Secret Clearance required. ~ Minimum bachelor's...Secret clearanceSenior
$150k - $253k
The Sr. Network Engineer III provides senior-level engineering support for mission-critical enterprise... ...What you’ll need to succeed:Active Top Secret security clearance.Bachelor’s degree in a technical... ...preferred, or relevant experience.CCNP Enterprise certification is...Secret clearanceSeniorFull timeLocal areaImmediate start- ...Position Title: Systems Network Engineer Location: HST Clearance Requirement: Active Top Secret with SCI eligibility Position Description: We are seeking a... ...certifications such as Network+, Cisco CCNA, Cisco CCNP, or BICSI. Familiarity with the Department...Secret clearanceFull timePart timeWork at office
- ...Senior Network Engineer (CONUS) FEDITC, LLC is a fast-growing business supporting DoD and... ...United States Citizenship and an active Secret DoD Security Clearance is required to be considered for... ...Cisco Certified Network Professional (CCNP) Certified Information Systems...Secret clearanceSeniorContract workFor contractorsLocal areaWorldwide
$94.15k - $150.65k
...C., Washington, DC Secret Hybrid schedule IT Infrastructure & Network Engineering & Operations Overview... ...currently hiring for Senior Network Engineer for... ...firewall management. Clearance Required: Ability to... ...environment are two of the top reasons our employees...Secret clearanceSeniorFull timeCurrently hiringFlexible hours- ...Inc. is seeking an expert-level Senior Network Engineer for the CONUS region to support the... .... Required Certifications & Clearances: Clearance: Active SECRET security clearance. DoD 8570... ...Certified Network Professional (CCNP) Certified Information Systems...Secret clearanceSeniorContract workFor contractorsLocal area
$100k - $245k
A leading defense and engineering organization in Laurel, Maryland is seeking a Long Range Networked Fires Engineer. This role involves designing innovative systems... ...of relevant experience, alongside a Top Secret security clearance. The position offers a competitive...Secret clearanceSenior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Network Engineer w/CCNP- Top Secret Clearance. Be the first to apply!
- network engineer - transport Washington DC
- network developer Washington DC
- senior network engineer remote Washington DC
- network implementation engineer Washington DC
- network engineer Washington DC
- network engineer night shift Washington DC
- juniper network engineer Washington DC
- core network engineer Washington DC
- network engineer - remote Washington DC
- senior network engineer Washington DC



