Lead Security Systems Administrator

Lumen
Herndon, VA

About Lumen

Lumen connects the world. We are igniting business growth by connecting people, data and applications – quickly, securely, and effortlessly. Together, we are building a culture and company from the people up – committed to teamwork, trust and transparency. People power progress.

We’re looking for top-tier talent and offer the flexibility you need to thrive and deliver lasting impact. Join us as we digitally connect the world and shape the future.

The Role

This unique position requires technical information systems skills / system administrative as well as ability to write and present solutions to the end customer and program management under government requirements to meet risk management and Information Assurance guidelines, acting as a direct customer liaison for the program. The position must be able to provide system administrative solutions and oversight with the ability to offer hands-on support to include software and hardware updates or installation of customer required controls. Research and recommendations for old and new software and hardware secure systems a must. Additionally, this position will support corporate information system requirements in the program space as needed and be part of the overall company security team as well. Current TS/SCI clearance a must. Familiarity with DOD NISPOM Chapter 8 as well as ICD 503 preferred.

Location

This is a full-time, on-site position based in Herndon, VA. 2900 TOWERVIEW RD

The Main Responsibilities

  • Install, Maintain, and Secure Microsoft Windows 2016 Hyper-V hosts and virtual servers with various roles.
  • Create, update and deploy Windows 10 based virtual desktops and Terminal Session Services.
  • Deep working knowledge of Active Directory, Group Policy, File servers (DFS), Print servers, DNS, IIS, Exchange, Database (SQL and Oracle).
  • Monitor & verify backup jobs using BackupExec, Disaster recovery efforts.
  • Antivirus - proactive measures for virus and malicious code
  • Configure and maintain file shares and access permissions.
  • Server performance Monitoring.
  • Maintain and secure Windows Based Thinclients.
  • Procure and implement new hardware, System Imaging, Create and implement group policies, Security script writing, Vulnerability assessment and mitigation.
  • Maintain systems in accordance w/ system security plans, implement new requirements as needed.
  • Troubleshoot user issues.
  • Maintain network printers.
  • Data Transfer Officer for information systems.
  • Support multiple networks with differing classification levels.
  • Crypto Custodian for government information system
  • Maintain PBX and Cisco Switches.

What We Look For in a Candidate

  • 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, Microsoft Windows Operating System, 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 Hyper-V, Active Directory, Exchange, DNS, File servers, Print servers, Backup systems, Anti Virus system
  • Hands on experience using information security tools such as NESSUS, HBSS, ACAS, SCAP.
  • Hardware troubleshooting and repair, evaluate and recommend new product
  • Professional/technical certifications, such as A+, Network+, Security+, MCSA, MCSE, CCNA or equivalent IT or Information Security related certifications.

Compensation

This information reflects the anticipated base salary range for this position based on current national data. Minimums and maximums may vary based on location. Individual pay is based on skills, experience and other relevant factors

Location Based Pay Ranges:


$114,082 - $152,109 in these states: VA

#GSS
#LI-MG1

Lumen offers a comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing. We're able to answer any additional questions you may have about our bonus structure (short-term incentives, long-term incentives and/or sales compensation) as you move through the selection process

Learn more about Lumen's:

#LI-Onsite

Requisition #: 340500

Background Screening

If you are selected for a position, there will be a background screen, which may include checks for criminal records and/or motor vehicle reports and/or drug screening, depending on the position requirements. For more information on these checks, please refer to the Post Offer section of our FAQ page . Job-related concerns identified during the background screening may disqualify you from the new position or your current role. Background results will be evaluated on a case-by-case basis.


Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Equal Employment Opportunities

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, gender expression, 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.

Disclaimer

The job responsibilities described above indicate the general nature and level of work performed by employees within this classification. It is not intended to include a comprehensive inventory of all duties and responsibilities for this job. Job duties and responsibilities are subject to change based on evolving business needs and conditions.

In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

Please be advised that Lumen does not require any form of payment from job applicants during the recruitment process. All legitimate job openings will be posted on our official website or communicated through official company email addresses. If you encounter any job offers that request payment in exchange for employment at Lumen, they are not for employment with us, but may relate to another company with a similar name.

Application Deadline
11/27/2025

Salary Range

Salary Min : $

Salary Max : $

This information reflects the anticipated base salary range for this position based on current national data. Minimums and maximums may vary based on location. Individual pay is based on skills, experience and other relevant factors.

This position is eligible for either short-term incentives or sales compensation. Director and VP positions also are eligible for long-term incentive. To learn more about our bonus structure, you can view additional information We’re able to answer any additional questions you may have as you move through the selection process.

As part of our comprehensive benefits package, Lumen offers a broad range of Health, Life, Voluntary Lifestyle and other benefits and perks that enhance your physical, mental, emotional and financial wellbeing. You can learn more by visiting

Posted 2025-11-20

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