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Senior Security Administrator Jobs in Reston, VA

Delviom LLC

Senior Security Engineer

Rockville, MD · On-site

$116K - $160K/yr

Administer enterprise email platforms (Google Workspace Gmail, Secure Email Gateway) to protect against phishing, malware, and data exfiltration. * Manage and optimize cloud security controls within ...

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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?

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 August 2026, with employment types broken down into 86% Full Time, 11% Part Time, and 3% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution.

Senior Security Engineer - Splunk

UltraViolet Cyber

National Harbor, MD

$140K - $175K/yr

Full-time

Posted 2 days ago

New

Job description

Make a difference here.

UltraViolet Cyber is a leading platform-enabled unified security operations company providing a comprehensive suite of security operations solutions. Founded and operated by security practitioners with decades of experience, the UltraViolet Cyber security-as-code platform combines technology innovation and human expertise to make advanced real-time cybersecurity accessible for all organizations by eliminating risks of separate red and blue teams.

By creating continuously optimized identification, detection, and resilience from today’s dynamic threat landscape, UltraViolet Cyber provides both managed and custom-tailored unified security operations solutions to the Fortune 500, Federal Government, and Commercial clients. UltraViolet Cyber is headquartered in McLean, Virginia, with global offices across the U.S. and in India. 

Our Federal Delivery team is seeking a Senior Security Engineer specializing in Splunk to enhance our security monitoring, detection, and response capabilities within federal government environments. This role will be responsible for designing, implementing, and optimizing Splunk deployments to support advanced threat detection, security analytics, and compliance monitoring across critical infrastructure. 
What You'll Do:
  • Design, implement, and maintain complex Splunk deployments for security monitoring, threat detection, data ingestion, and search optimization
  • Document and map the architecture of current Splunk infrastructure and lead the development of a security engineering roadmap for future improvements.
  • Develop and optimize Splunk searches, dashboards, and alerts to enhance security operations
  • Define and manage index clustering, search head clustering, and forwarder deployment.
  • Lead end-to-end Splunk deployment and configuration projects, including infrastructure planning, installation, and integration.
  • Troubleshoot complex Splunk issues involving search performance, indexing, ingestion, parsing, data availability, clustering, storage, authentication, configuration, and integrations with other security tools, as well as providing root-cause analysis of Splunk outages, degradation, data loss, ingestion issues and performance problems.
  • Conduct performance tuning and capacity planning for Splunk Environments
  • Collaborate with cross-functional teams to integrate Splunk with other security tools and data sources and analyze how Splunk interacts with other security tools throughout the broad security ecosystem.
  • Help lead discussions regarding Splunk optimization, modernization, consolidation, automation, scalability, and efficiency and develop recommendations for improving Splunk reliability, and availability
  • Lead the Cribl to Splunk integration and data pipeline optimization, ensuring efficient routing, filtering, transformation, and delivery data into Splunk as well as improve data quality, reduce ingestion, and enhance overall platform performance
  • Serve as the team’s point of contact for security tool operation and management and provide support to Splunk engineers and cross-functional teams.
  • Embed Splunk across a wide range of tools across Enterprise IT operations to ingest endpoint and firewall logs, analyze vulnerability scanning data, enhance privileged access monitoring and audit logging, monitor encryption and key management, and enhance threat detection and incident response.
  • Integrate tools such as CrowdStrike, Cribl, CyberArk, Tenable, CASB, Trellix, Axonius, and others.
What You've Done:
  • US Citizenship is Required for hire and ability to clear Government clearance process
  • Master's degree in Cybersecurity, Information Security, or related field, plus 12 years of experience
  • 7+ years of security engineering experience with 3+ years of advanced Splunk implementation 
  • Splunk Certified Architect or Splunk Certified Enterprise Security Admin certification 
  • Experience designing and implementing Splunk Enterprise Security in large environments, along with Cribl 
  • Strong knowledge of SPL query language and advanced search techniques 
  • Experience creating custom Splunk dashboards, reports, and visualizations 
  • Demonstrated expertise in security monitoring and SIEM technology 
  • Experience implementing security controls per NIST SP 800-53 requirements 
  • Proficiency with Splunk administration and performance tuning 
Preferred Qualifications:
  • Experience supporting federal agency security operations centers 
  • Splunk and Cribl certifications highly desired 
  • Additional security certifications (CISSP, GCIA, GCIH, Security+) 
  • Experience with Splunk implementations 
  • Background in security architecture for government networks 
  • Knowledge of CISA directives and CDM program requirements 
  • Experience with cloud security monitoring using Splunk and Cribl 
  • Familiarity with Zero Trust architecture implementation 
Work Environment:
  • Hybrid work model with 3 day/week on-site presence near National Harbor, Maryland 
  • Must be able to pass a Federal background investigation - US Citizenship required
  • Participation in on-call rotation for security incident response 
  • Collaboration with cross-agency security teams 
What We Offer:
  • 401(k), including an employer match of 100% of the first 3% contributed and 50% of the next 2% contributed  
  • Medical, Dental, and Vision Insurance (available on the 1st day of the month following your first day of employment)  
  • Group Term Life, Short-Term Disability, Long-Term Disability  
  • Voluntary Life, Hospital Indemnity, Accident, and/or Critical Illness  
  • Participation in the Discretionary Time Off (DTO) Program  
  • 11 Paid Holidays Annually 
UltraViolet Cyber maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect our company's differing products, services, industries and lines of business. Candidates are typically placed into the range based on the preceding factors.
 

We sincerely thank all applicants in advance for submitting their interest in this position. We know your time is valuable.

UltraViolet Cyber welcomes and encourages diversity in the workplace regardless of race, gender, religion, age, sexual orientation, gender identity, disability, or veteran status. 

If you want to make an impact, UltraViolet Cyber is the place for you! 

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.