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Senior Security Administrator Jobs in Reston, VA

Amentum

Security Administrator

Chantilly, VA · On-site

$31.25 - $40.86/hr

Our security administrators will provide a wide range of support functions that may include the ... Senior-7+ years of personnel security experience. * Must have an Active Top Secret US Government ...

Pae

Security Administrator

Chantilly, VA

$31.25 - $40.86/hr

Our security administrators will provide a wide range of support functions that may include the ... Senior-7+ years of personnel security experience. * Must have an Active Top Secret US Government ...

Delviom LLC

Sr. Security Engineer(onsite)

Rockville, MD · On-site

$116K - $160K/yr

Sr. Security Engineer Rockville, MD 12+ Months Contract Interview - Onsite The primary function of ... Administer enterprise email platforms (Google Workspace Gmail, Secure Email Gateway) to protect ...

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Senior Security Administrator information

What does a Senior Security Administrator do?

A Senior Security Administrator is responsible for managing and maintaining an organization's IT security infrastructure. Their main duties include monitoring security systems, responding to breaches, implementing security measures, and developing policies to protect sensitive data. They also conduct regular security assessments, ensure compliance with regulations, and guide junior staff on best practices. This role requires a strong understanding of network security, firewalls, intrusion detection systems, and cybersecurity protocols.

What are the key skills and qualifications needed to thrive as a Senior Security Administrator, and why are they important?

To thrive as a Senior Security Administrator, you need advanced knowledge of cybersecurity principles, risk assessment, and network security, typically backed by a degree in computer science and relevant certifications like CISSP or CISM. Familiarity with security information and event management (SIEM) systems, firewalls, intrusion detection systems, and vulnerability assessment tools is crucial. Strong problem-solving, attention to detail, and effective communication skills help you identify threats and collaborate with other teams. These competencies are vital for safeguarding organizational assets, maintaining compliance, and ensuring a proactive security posture.

What are some common challenges Senior Security Administrators face when managing enterprise security systems?

Senior Security Administrators often encounter challenges such as keeping up with rapidly evolving cyber threats, ensuring compliance with various regulations, and managing the complexity of multi-layered security infrastructures. They must coordinate with IT, compliance, and executive teams to implement best practices and respond to incidents swiftly. Balancing proactive security measures with user accessibility and business needs is also a frequent challenge, requiring both technical expertise and strong communication skills.

What is the difference between Senior Security Administrator vs Security Analyst?

AspectSenior Security AdministratorSecurity Analyst
CertificationsCompTIA Security+, CISSP, CISMCompTIA Security+, GIAC Security Essentials (GSEC)
Work EnvironmentManages security infrastructure, implements policies, oversees security teamsMonitors security systems, analyzes threats, responds to incidents
Employer & Industry UsageIT departments, cybersecurity firms, large organizationsIT security teams, cybersecurity consulting firms, government agencies

The Senior Security Administrator typically oversees security infrastructure and policies, requiring advanced certifications and leadership skills. In contrast, a Security Analyst focuses on monitoring, analyzing, and responding to security threats. Both roles are vital in cybersecurity but differ in responsibilities and scope.

What are popular job titles related to Senior Security Administrator jobs in Reston, VA? For Senior Security Administrator jobs in Reston, VA, the most frequently searched job titles are:
What job categories do people searching Senior Security Administrator jobs in Reston, VA look for? The top searched job categories for Senior Security Administrator jobs in Reston, VA are:
What cities near Reston, VA are hiring for Senior Security Administrator jobs? Cities near Reston, VA with the most Senior Security Administrator job openings:
Senior Security Administrator jobs near you
Infographic showing various Senior Security Administrator job openings in Reston, VA as of July 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 1% Temporary, and 3% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution.

Personnel Security Administrator - Senior w/ TS/SCI with FSP

Xcelerate Solutions

Mclean, VA • On-site

Full-time

Re-posted 27 days ago

Job description

Description
Personnel Security Administrator Senior - TS/SCI w/ FSP
The Senior Security Administrator serves as a high-level subject matter expert across diverse security functional areas, including polygraph, adjudication, and investigations. This role emphasizes process improvement, complex analysis, and high-level customer service, often acting as a bridge between technical security tasks and leadership requirements. Come join our award-winning organization and work with some of the most talented and brightest minds in the GovCon industry.
Clearance:
TS/SCI w Full Scope Polygraph
Location:
Herndon, VA
Responsibilities:
  • Maintain production standards (8 cases/day; 60 linear feet/month) while supporting future research initiatives and electronic file process improvements.
  • Conduct analysis of available information and provide comprehensive findings and summaries to leadership.
  • Author SOPs for key processes and office activities; prepare high-level briefings, memoranda, and correspondence.
  • Serve as a role model in anticipating customer needs; respond to inquiries regarding pending case statuses and complex clearance certifications.
  • Maintain senior-level knowledge across multiple disciplines (Polygraph, Adjudication, Physical/Technical Security).
  • Perform ad-hoc security briefings and recommend process improvement activities to increase office efficiency.

Minimum Requirements:
  • Bachelor's Degree + 5 years of experience OR High School Diploma/GED + 7 years of relevant experience.
  • Expert writing skills with the ability to comprehend highly complex data and produce minimal-edit products.
  • Ability to adapt to rapidly changing work requirements and manage multiple high-priority tasks simultaneously.
  • Skill in eliciting information during interviews with minimal direction and working effectively with diverse individuals.

About Xcelerate Solutions:
Founded in 2009 and headquartered in McLean, VA, Xcelerate Solutions (www.xceleratesolutions.com) is one of America's fastest-growing companies. Xcelerate's culture is defined by our diversified workforce of dynamic and versatile professionals, supported with growth and development opportunities that contribute to individual and company growth. This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal's "50 Best Places to Work" list as well as being a "Great Place to Work" certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. Come find out why Xcelerate Solutions is one of the top DC Metro employers!
Xcelerate Solutions is an Equal Employment Opportunity/Affirmative Action Employer. We evaluate qualified applicants without regard to race, color, national origin, religion, age, equal pay, disability, veteran status, sex, sexual orientation, gender identity, genetic information, or expression of another protected characteristic. As part of this commitment to the full inclusion of all qualified individuals, Xcelerate provides reasonable accommodation if needed because of an applicant's or an employee's disability.
Pay Transparency Notice: Xcelerate Solutions will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant.

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