Demo

Senior System Engineer

Redapt, Inc.
Manassas, VA Full Time
POSTED ON 1/3/2026
AVAILABLE BEFORE 2/9/2026
*** This is a 6-12-month Contract Opportunity (No C2C outside Vendors Please) ***

Redapt Inc. is a pioneering world-class data center infrastructure integrator, technology engineering firm, and cloud services provider. Our teams focus on delivering innovative solutions and services that power our customers' most demanding applications and enable them to extract powerful insights from data that drive true business value. 

Job Title: Senior System Engineer

Location: VA: On-Site

Hours: 8-5 (flexible working afterhours/weekends)

Job Description

We are seeking a multi-disciplinary individual to join our team as an On-Site Senior System Engineer. The ideal candidate should have a background across six or more of the following infrastructure disciplines:

Key Responsibilities

  • Service Health Checking: Perform daily checklists to ensure service availability.
  • Physical/Remote Hands: Structured Cabling: Patch, test, troubleshoot, and maintain cabling records.
  • Physical/Remote Hands: Data Center Racking: Follow and maintain rack elevations, ensure lifting and safety protocols.
  • Physical/Remote Hands: Change Management: Manage incidents, requests, and change management ticketing systems.
  • Network: General understanding of switch management having worked with and configured both Top of Rack and Core switch with routing logic (Arista switches CloudVision).
  • AD/DNS/DHCP: Ability to configure Active Directory users and groups, maintain DNS records and zones, and set DHCP scopes.
  • Operating systems: Familiarity with Linux and Windows Server administration and patching
  • Security: General firewall and MFA concepts and management logic. (ie: Palo Alto firewalls, GlobalProtect Remote Access VPN, and Microsoft Entra ID MFA).
  • Wireless Network: Utilize CloudVision Cognitive Unified Edge and Forescout Network Access Control (NAC).
  • Computer & Storage: Manage vSphere clusters, PowerScale storage arrays, and backup systems.
  • Cloud Integration/VPN: Handle storage account offsite backups, Microsoft Arc endpoint management, and Microsoft Sentinel SEIM.
  • Troubleshooting: Troubleshoot customer-provided applications, workstations, end-user computing laptops, and OT devices.

Additional Common Responsibilities

  • Network Implementation: Assist in the implementation of network infrastructure.
  • Network Equipment Support: Install, configure, and support network equipment including routers, switches, and firewalls.
  • Network Maintenance: Perform routine network maintenance and system upgrades including service packs, patches, hot fixes, and security configurations.
  • Network Performance Monitoring: Monitor network performance and ensure system availability and reliability.
  • Network Troubleshooting: Troubleshoot network problems and outages, schedule upgrades, and collaborate with network architects for network optimization.
  • Network Security: Secure network systems by establishing and enforcing policies, and defining and monitoring access.
  • Firewall Administration: Support and administer firewall environments in line with IT security policy.
  • Reporting: Report network operational status by gathering and prioritizing information; manage projects.

Physical Requirements

  • Racking and Stacking: Physically capable of racking and stacking servers, switches, and general datacenter equipment.
  • Lifting: Ability to lift and move equipment up to 50 pounds.
  • Safety Protocols: Adhere to safety protocols and guidelines while handling and installing equipment.
  • Manual Dexterity: Good manual dexterity for handling small components and tools.

Equal Employment Opportunity

Redapt is an equal opportunity employer. Applicants will not be discriminated against because of race, color, creed, sex, sexual orientation, gender identity or expression, age, religion, national origin, citizenship status, disability, ancestry, marital status, veteran status, medical condition, or any protected category prohibited by local, state, or federal laws. All employment is decided based on qualifications, merit, and business need.

Salary.com Estimation for Senior System Engineer in Manassas, VA
$110,780 to $130,730
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