Core Services Lead


Job Description:

The Department of Homeland Security (DHS) has a continuing requirement for Secure Enterprise Network Systems, Services, & Support (SENS3) for the continued operations and maintenance and evolution of the Homeland Secure Data Network (HSDN) and the Classified Local Area Network (C-LAN).

Primary Responsibilities

The Core Service Lead will support the SENS3 contract by managing personnel, engaging with customers, assessing program performance, and identifying internal customer issues, among other responsibilities. Primary task/responsibilities include but are not limited to:

  • Perform systems administration of desktop and server systems connected to local and wide area networks. Desktop system management responsibilities involving account monitoring, security, Operating System (OS) installation, and other local area system administration related functions
  • Install, administer, and maintain Windows servers, workstations, laptops, and basic cabling as part of the overall systems architecture across multiple networks and locations
  • Install, administer and maintain virtual environments and physical hosts and storage devices
  • Administer Active Directory, Domain Controller, Terminal Server and Exchange services
  • Provide support for implementation, troubleshooting and maintenance of IT systems
  • Manage IT system infrastructure and any processes related to these systems
  • Manage day‐to‐day IT operations, including desktop, server, storage, hardware support; manage personnel and their operational and project-related workloads.
  • Provide Tier 3 and Tier 4 problem identification, diagnosis and resolution of problem
  • Provide support for the escalation and communication of status to agency management and internal customers and clearly communicate technical information to both technical and non-technical personnel
  • Provide support for the dispatch system and hardware problems and remains involved in the resolution process
  • Isolate and resolve of hardware and software problems involving the applications, the operating system, the hardware, the communications infrastructure, or any combination thereof
  • Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance
  • Propose new technology, lead and manage special projects, develop project plans with customer input and manage project operations from customer provided requirements
  • Document system configurations and standard operating procedures (SOPs)
  • Acts as first-level supervisor for employees. Provides guidance, assignments and/or direction to lower level technicians and assists Service Desk technicians as needed with Tier I and Tier II troubleshooting

Basic Qualifications
  • Bachelor's degree in technology related field with 8+ years of experience with either Systems Administration, Network Administration, Database Administration.
  • Additional years of experience may serve in lieu of a degree
  • Large Enterprise-level IT experience with maintenance of servers, storage devices and applications
  • Experience managing virtualization solutions such as VMware & Microsoft Hyper-V
  • Experience with deploying & hardening Windows Server 2016, Windows 10, Redhat, Variety of system administration experience in areas such as AD, , SCCM, IIS, SQL, Remedy ITSM, M3, Exchange, Linux, Unix, Com, SNOW, mVault, Netapppatch management
  • Knowledge of IT service desk requirements and management software
  • Ability to complete difficult and complex assignments independently
  • Experience working with customers and staff
  • 3+ years of experience managing a team of at least ten IT professionals; Willingness to work as part of a technical team, both as member and as lead
  • Strong verbal and written communication skills
  • Currently possess an active TS/SCI security clearance
  • On‐call 24x7, including weekends and holidays
  • Knowledge and experience with IT and telecommunication hardware and software lifecycle Knowledge of industry and government best practices
  • Working knowledge of maintaining IT and telecommunication equipment and consumable inventories
  • Experience in ensuring Service Level Agreement (SLA) compliance

Preferred Qualifications
  • 5 Years' Experience managing IT Projects for classified systems
  • Technology certifications in MS, Security, PMP
  • Experience Supporting DHS Programs Knowledge/Experience
  • Excellent written/verbal communications

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Top Secret



Scheduled Weekly Hours:



Standard Plus On Call

Requisition Category:


Job Family:

Technology Management

Pay Range:

Leidos is a Fortune 500 ® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 38,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. For more information, visit

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.