Senior Network Engineer

ABSC (Absolute Business Solutions Corp.)

. Provide senior-level technical expertise in planning, design, implementation, and sustainment of secure, scalable, highly available enterprise and data center networks .

Posted 10/13/2026full-timeBethesda • Maryland • United StatesSenior💰 $120,000 - $225,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive expertise in designing, implementing, and maintaining secure and scalable data center network architectures, with a strong focus on network performance optimization and incident resolution. Proven ability to lead teams, mentor engineers, and effectively communicate with senior leadership and stakeholders.

Highest-signal resume keywords

Data Center Network Architecture DesignCisco ACI Configuration and TroubleshootingNetwork Monitoring with ServiceNow and SolarWindsDoD 8140/8570 IAT Level II CertificationActive TS/SCI Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network DesignNetwork TroubleshootingTCP/IPDNSDHCPOSPFBGPVLANsFirewall ConfigurationNetwork Security Principles

Soft Skills

LeadershipCommunicationMentoringProblem-SolvingTeam Management

Tools & Technologies

Cisco ACIServiceNowSolarWindsNetBoxPRTG

Certifications & Qualifications

Security+ CECCNA SecurityGSECSSCPCisco Certified Network Associate (CCNA)Cisco Certified Network Professional (CCNP)Cisco Certified Internetwork Expert (CCIE)

Industry Keywords

LAN/WAN InfrastructureNetwork ModernizationData Center OperationsIncident ResolutionNetwork Asset Lifecycle Management

Tech Stack

Tools & technologies

CloudCyber SecurityDNSFirewallsITSMServiceNowTCP/IPTypeScript

About the role

Key responsibilities & impact

Provide senior-level technical expertise in planning, design, implementation, and sustainment of secure, scalable, highly available enterprise and data center networks
Lead complex troubleshooting, support network modernization, and provide technical guidance to engineers and technicians
Plan and integrate LAN/WAN infrastructure across on-premises systems, cloud environments, and external mission networks
Configure, optimize, and troubleshoot Cisco ACI, routers, switches, firewalls, and load balancers
Analyze and optimize network connectivity and performance across servers, storage, hypervisors, and data center interconnects
Oversee network monitoring and ITSM tools, including ServiceNow, SolarWinds, NetBox, and PRTG
Lead incident resolution, root cause analysis, corrective actions, and recovery activities
Develop and maintain contingency and continuity plans and procedures
Provide technical oversight of cabling, patch management, structured wiring, equipment configuration, documentation, and data center operations
Analyze network segmentation, performance, capacity, and latency requirements and recommend optimization strategies
Coordinate with IT, Systems Engineering, Cybersecurity, Application teams, and government stakeholders
Provide technical oversight of ServiceNow ITSM activities, including work assignment, incident and change tracking, documentation, escalation, and resolution
Prepare technical status reports, incident summaries, performance metrics, and recommendations
Lead network modernization and data center consolidation initiatives
Evaluate emerging network technologies and recommend solutions
Mentor and provide work direction to network engineers and technicians
Assist with resource planning, work schedules, personnel coverage, resume reviews, technical qualification assessments, and candidate interviews
Provide input on personnel performance and development
Review and approve timesheets for assigned personnel
Provide after-hours or on-call technical support for critical outages and mission-impacting events

Requirements

What you’ll need

Bachelor’s degree and 12+ years of relevant experience
Additional years of relevant experience may be considered in lieu of a degree
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, access control lists, 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
Meet the position’s DoD 8140/8570 IAT Level II certification requirements, including Security+ CE, CCNA Security, GSEC, or SSCP
Hold a valid Computing Environment (CE) certification
Active TS/SCI clearance with ability to obtain/maintain CI polygraph
Active Cisco Certified Network Associate (CCNA) certification desired
Cisco Certified Network Professional (CCNP) or Cisco Certified Internetwork Expert (CCIE) certification desired

Benefits

Comp & perks

Generous PTO plus 11 Federal Holidays
Retirement Planning – 401k Fully Vested with Match
Annual Health and Wellness Allowance – buy an Apple Watch, a treadmill, or hit the gym on us
Career Development – Annual Funds to spend on Education and Training
Volunteer Time Off – Annually, all employees can spend 8 hours directly supporting a charity of choice
Charitable Match – ABSC matches an employee’s donation to a qualifying charity
Referral Program – We pay for internal and external referrals
LOV Awards – Earn bonus awards throughout the year from our Living Our Values awards program
External referral bonuses
Equal Opportunity Employer, including veterans and individuals with disabilities