CenturyLink Sr System Administrator in Herndon, Virginia

CenturyLink (NYSE: CTL) at http://www.centurylink.com is a global communications and IT services company focused on connecting its customers to the power of the digital world. CenturyLink offers network and data systems management, big data analytics, managed security services, hosting, cloud, and IT consulting services. The company provides broadband, voice, video, advanced data and managed network services over a robust 265,000-route-mile U.S. fiber network and a 360,000-route-mile international transport network. Visit CenturyLink at http://www.centurylink.com/ for more information.

Job Summary

The Senior Information Security Engineer is a member of the Government Services Information Security team that is responsible for delivering security requirements and coordinating information security risk assessments to ensure compliance with corporate and/or government policy, standards, procedures and industry best practices. The Senior works with developers, engineers, administrator and system owners to ensure the systems comply with applicable government policies (FEDRAMP, ICD, CNSSI, NIST, DOD, etc). This is done by employing well-defined security policy models, structured, disciplined, and rigorous hardware and software development (and testing and certification) techniques, and sound system/security engineering principles. Assurance is also based on the assessment of evidence produced during the initiation, acquisition/development, implementation, and operations/maintenance phases of the SDLC (Software Development Life Cycle).

Job Description


  • Install, Maintain, and Secure Windows based Servers with various roles

  • Domain Controllers, File servers, Print servers, DNS, IIS, Exchange, Database (SQL and Oracle)

  • Data Backup

  • Monitor & verify backup jobs, Disaster recovery efforts, Distributed File System (DFS), Data Mirroring

  • Antivirus - proactive measures for virus and malicious code

  • Configure and maintain file shares

  • Server performance Monitoring

  • Create and maintain AD and Exchange accounts

  • Maintain and secure Windows Based workstations

  • Procure and implement new hardware, System Imaging, Create and implement group policies, Security script writing, Vulnerability assessment and mitigation

  • Maintain systems in accordance with system security plans, Implement new security requirements as required

  • Troubleshoot user issues

  • Windows OS, MS Office and other software, hardware issues, profile issues, IP related issues, etc.

  • Maintain network printers

  • New software evaluation

  • Data Transfer Officer for information systems

  • Support multiple networks with differing classification levels

  • Crypto Custodian for government information systems

  • Maintain PBX and VM

  • Firewall & VPN maintenance


Minimum Qualifications:

  • 5+ years of relevant system administration, user support and security control implementation work experience.

  • Undergraduate degree in Computer Science Engineering, related field, or equivalent experience.

  • Considered expert in one (or more) of the following areas: Networking, Operating System (MS/Unix/Linux), Security hardening.

  • Self-starter with strong self-management skills, with an ability to organize and manage multiple priorities.

  • Ability to apply professional judgment in critical thinking and problem solving.

  • Team oriented

Preferred Qualifications:

  • 5+ years of dedicated system administration supporting all levels from tier 1 user desktop support to tier 3 backend server and network support.

  • Hands on experience managing Active Directory, Exchange, DNS, File servers, Print servers, Backup systems, Anti Virus systems

  • Hands on experience using information security tools such as NESSUS, HBSS, ACAS, SCAP.

  • Hardware troubleshooting and repair, evaluate and recommend new products

  • Professional/technical certifications, such as A+, Network+, Security+, MCSA, MCSE, CCNA or equivalent IT or Information Security related certifications.

  • Active TS or TS/SCI with current SSBI Security Clearance is required for most positions and a Polygraph may also be Required .


Alternate Location: US-Virginia-Herndon

Requisition # : 187419

This job may require successful completion of an online assessment. A brief description of the assessments can be viewed on our website at http://find.centurylink.jobs/testguides/

EEO Statement

We are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, marital status, family status, pregnancy, or other legally protected status (collectively, “protected statuses”). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.


The above job definition information has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. Job duties and responsibilities are subject to change based on changing business needs and conditions.