Network Engineer - TS/SCI

Sunayu Llc; Bethesda, Northern (MD, KY); Hybrid; USD 110,000 - 160,000; Full time

Benefits offered by this job

Medical plans

Dental & Vision

FSA/DCFSA/HSA

Life/AD&D Insurance

Disability Insurance

EAP

Education assistance

Paid time off

Federal holidays

401k match

Job summary

Sunayu, LLC in Bethesda, MD is seeking a Senior Network Engineer to design, implement, and sustain highly available data center networks. You will lead LAN/WAN integration, configure Cisco ACI and related devices, and monitor health with ITSM tools in a mission-critical environment.

The role requires DoD/IC familiarity, strong leadership, and excellent communication. This is an on-site, government-focused position at the Intelligence Community Campus in Bethesda.

Qualifications

• Experience designing, implementing, and maintaining data center networks.
• Hands-on with Cisco ACI, Nexus, Catalyst; config, monitoring, troubleshooting.
• Knowledge of TCP/IP, DNS, DHCP, OSPF, BGP, VLANs, HSRP, SNMP, multicast.
• Proficiency with ServiceNow, SolarWinds, NetBox monitoring tools.
• Understanding firewall rules, ACLs, VPNs, and secure remote access.
• Experience leading teams and managing performance.
• Strong written and verbal communication; briefing leadership and stakeholders.
• IAT Level II-related certification requirements and CE eligibility.

Responsibilities

• Provide senior-level design, implementation, and sustainment of data center networks.
• Plan and integrate LAN/WAN infrastructure across on-prem and cloud.
• Lead configuration and optimization of Cisco ACI, routers, switches, firewalls, load balancers.
• Monitor network performance across servers, storage, hypervisors, and interconnects.
• Oversee ServiceNow, SolarWinds, NetBox, and PRTG for health and incidents.
• Lead troubleshooting and incident resolution for complex network issues.
• Develop contingency plans to minimize outages and maintain resilience.
• Provide oversight of standards for cabling, patching, and data center ops.
• Coordinate with IT, Cyber, and Apps teams on security-aligned networks.
• Mentor engineers, assist with staffing plans, and review performance.
• Support after-hours or on-call requests for critical outages.

Skills

Network design

Troubleshooting

Team leadership

Communication skills

IAT II eligible

Incident response

Education

Bachelor's degree

Tools

Cisco ACI

Nexus

Catalyst

ServiceNow

SolarWinds

NetBox

PRTG

Job description

Location: Bethesda, MD

Category: Network
Travel Required:No
Remote Type: No
Clearance: TS/SCI

Sunayu, LLC is looking for a Senior Network Engineer to join our team in supporting the National Digital Exploitation & OSINT Center (NDOC). The Senior Network Engineer provides senior-level technical expertise in the planning, coordination, implementation, and sustainment of major computer network initiatives.

This is a 100% on-site position. All work must be performed at the customer site in Bethesda at the Intelligence Community Campus.

Primary Responsibilities:

• Provide senior-level technical expertise in the design, implementation, and sustainment of highly available, scalable, and secure data center and enterprise network environments, including spine-leaf topologies, virtualized environments, and fabric networks.
• Support the planning and integration of LAN/WAN infrastructure, ensuring seamless and secure connectivity among on-premises systems, cloud environments, and external mission networks.
• Provide technical leadership in the configuration, optimization, and troubleshooting of Cisco ACI, routers, switches, firewalls, and load balancers in support of mission-critical operations.
• Analyze and optimize network connectivity and performance across servers, storage, hypervisors, and data center interconnects to support network throughput, availability, and reliability requirements.
• Oversee the use of network monitoring and ITSM tools such as ServiceNow, SolarWinds, NetBox, and PRTG to monitor network health, availability, performance, and incident resolution.
• Lead technical troubleshooting and incident resolution for complex network and data center issues, coordinating root cause analysis, corrective actions, and recovery activities as appropriate.
• Develop and maintain contingency and continuity plans and procedures to support network resilience and minimize service disruptions during outages, maintenance events, and other operational activities.
• Provide technical oversight of network infrastructure standards and practices, including cabling, patch management, structured wiring, equipment configuration, documentation, and data center operations.
• Analyze network segmentation, performance, capacity, and latency requirements and recommend optimization strategies across physical and virtual environments.
• Coordinate with IT, Systems Engineering, Cybersecurity, and Application teams to support cross-functional projects and ensure network implementations align with established security, technical, and mission requirements.
• Provide technical oversight of ServiceNow ITSM activities, including work assignment, incident and change tracking, documentation, escalation, and resolution in accordance with established procedures and SLAs.
• Prepare and present technical status reports, incident summaries, performance metrics, and recommendations to program leadership and government stakeholders.
• Provide technical support and leadership for network modernization and data center consolidation initiatives, helping to develop implementation approaches and ensuring assigned activities meet established technical, budgetary, and schedule requirements.
• Evaluate emerging network technologies and provide recommendations regarding solutions that may improve data center efficiency, scalability, availability, and cybersecurity posture.
  Provide technical guidance, mentoring, and work direction to network engineers and technicians, assisting with complex technical issues and supporting professional development.
• Assist leadership with resource planning, work schedules, and personnel coverage to support operational and mission requirements.
• May support the evaluation of resumes and technical qualifications for network engineering vacancies and participate in candidate interviews as a technical subject matter expert.
• May provide input to leadership regarding the performance and development of assigned personnel, including periodic feedback and assessments against established employee goals and corporate guidelines.
• May review and approve timesheets for assigned personnel in accordance with corporate standards and established procedures.
• Provide after-hours or on-call technical support as required for critical outages, service interruptions, and other mission-impacting events.

Basic Qualifications:

• Proven experience designing, implementing, and maintaining data center network architectures with a focus on scalability, redundancy, and security.
• Hands-on experience with Cisco ACI, Nexus, and Catalyst platforms, including configuration, monitoring, and troubleshooting.
• Strong understanding of TCP/IP, DNS, DHCP, OSPF, BGP, VLANs, HSRP, SNMP, and multicast protocols.
• Proficiency with network monitoring and ITSM tools such as ServiceNow, SolarWinds, and NetBox.
• In-depth knowledge of network security principles, including firewall rules, ACLs, VPNs, and secure remote access.
• Familiarity with network asset lifecycle management, capacity planning, and hardware procurement processes.
• Experience leading teams and managing performance under shifting operational priorities.
• Excellent written and verbal communication skills, with the ability to brief senior leadership and government stakeholders.
• Candidate must meet DoD 8140/8570.11- IAT Level II certification requirements (Security+ CE, CCNA Security, GSEC, or SSCP) with a valid Computing Environment (CE) certification.

Clearance:

• Due to the nature of the government contracts we support, US Citizenship is required.
• TS/SCI with Poly required for Position or TS/SCI and willingness to get a poly.

Education:

• Requires a Bachelor’s degree and 12+ years of relevant experience. Additional years of relevant experience may be considered in lieu of a degree

Preferred Qualifications:

• Active Cisco Certified Network Associate (CCNA) certification
• CCNP or CCIE certification

Who We Are

Sunayu, LLC serves as a premier technology partner to the Defense and Intelligence communities, delivering mission-critical engineering solutions across the nation. Our operations are anchored in a commitment to trust, accountability, and ethical transparency, ensuring the high-performance outcomes necessary to protect our country's most vital interests.

Culture

Our strength lies in our community: Our team prioritizes collaboration, professional growth, and encourages open communication. At Sunayu, we don't just secure the mission—we grow together.

Career Development

We support and encourage our team members to continue their professional growth by providing company-reimbursed training and continuing education of up to $5,000 per year. We also participate in many industry conferences and events where we share our expertise and experiences.

Pay Rate

Salary range considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills, as well as market and business considerations when extending an offer.

Benefits

• 3 Medical Plan Options
• Dental and Vision
• FSA, DCFSA, HSA
• Life/AD&D Insurance
• Short-Term & Long-Term Disability
• Employee Assistance Program (EAP)
• Training and Educational Assistance
• Paid Time Off (PTO)
• 11 Federal holidays
• 401k plan with up to a 6% match (100% immediate vesting)

Equal Opportunity Employer

Sunayu, LLC is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, national origin, age, protected veteran status, disability status, marital status, genetic information, medical condition, or any other characteristic protected by law.