Top 411 Senior security engineer Jobs in Mount Rainier, Md

Senior Cybersecurity Engineer
Peraton —Washington, DC
- $135,000 - $216,000 a year
- Computer Science
- Bachelor of Science
- System design
- Health savings account
- Paid holidays
Principal / Senior Principal Embedded Systems Security Engineer
Northrop Grumman —Baltimore, MD
- $119,600 - $179,400 a year
- Overtime
- Doctor of Philosophy
- Travel
- 1 year
- Paid holidays
- Disability insurance
4d
Senior Hardware Reverse Engineer
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $100,000 - $245,000 a year
- Full-time
- Computer Science
- 5 years
- Analysis skills
- Disability insurance
- Health insurance
1d
Senior Cyber Infrastructure Engineer & Architect (Security Platforms SME)
Virginia Tech Applied Research Corporation —Arlington, VA
- $200,000 - $275,000 a year
- Full-time
- Travel
- US work authorization
- Telemetry
Quick Apply
8d
Junior/Senior Systems Engineer, TS/SCI Security Clearance Required, Onsite in Herndon, VA
Next Step Systems – Recruiters for Information Technology Jobs —Herndon, VA
- $135,000 - $210,000 a year
- Full-time
- 5 years
- Office
- Bachelor's degree
- AD&D insurance
- Disability insurance
Quick Apply
1d
Senior Security Engineer
DirectViz Solutions, LLC —Washington, DC
- $150,000 - $170,000 a year
- Full-time
- Remote
- Computer science
- Computer Science
- PMP
- Health insurance
- Paid time off
Quick Apply
Senior Network Engineer (Security)
Peraton —Washington, DC
- $146,000 - $234,000 a year
- Engineering
- System design
- Senior level
- Health savings account
- Paid holidays
Senior Identity Security Engineer
Palantir Technologies —Washington, DC
- $135,000 - $200,000 a year
- Full-time
- Hybrid work
- 5 years
- Senior level
- Communication skills
- Commuter assistance
- Paid parental leave
Senior Cloud Security Engineer
Steampunk —Washington, DC
- $130,000 - $180,000 a year
- Azure
- Bachelor of Science
- HIPAA
12d
Senior Security Engineer
Everforth ECS —Washington, DC
- $145,000 - $180,000 a year
- Full-time
- Office
- 8 years
- Analysis skills
Senior Cyber Security Engineer
Cooley LLP —Washington, DC
- $145,000 - $210,000 a year
- Extended hours
- Azure
- 5 years
- Windows
- Commuter assistance
- Health savings account
Senior Information Security Engineer
Ascent InfoSec —Washington, DC
- 7 years
- Bachelor of Science
- Bachelor's degree
Senior Security Engineer
Ardent —Washington, DC
- Hybrid work
- Analysis skills
- Bachelor's degree
- Military encouraged
- Health insurance
- Tuition reimbursement
Senior Security Engineer
Edgewater Federal Solutions, Inc. —Washington, DC
- $140,000 - $160,000 a year
- Full-time
- Hybrid work
- 7 years
- Office
- Bachelor's degree
Endpoint Security Engineer - Senior
Everforth ECS —Washington, DC
- $142,000 - $158,000 a year
- Mentoring
- Senior level
Senior Network Security Engineer
Anduril Industries —Washington, DC
- $166,000 - $220,000 a year
- Email
- Azure
- System design
- AWS
Quick Apply
Senior IT Security Engineer
NPR —Washington, DC
- $125,000 - $152,000 a year
- Email
- Computer science
- Computer Science
- System design
- AD&D insurance
- Disability insurance
Senior Security Engineer, Detection and Response
HackerOne —Washington, DC
- $182,000 - $202,000 a year
- Full-time
- Remote
- Background check
- 5 years
- Analysis skills
- Paid parental leave
- Paid holidays
Senior Full-Stack Security/GRC Platform Engineer
Guidehouse —Washington, DC
- $86,500 - $129,900 a year
- Full-time
- 6 years
- Critical & Intensive Care
- Travel
- Commuter assistance
- Health savings account
Senior Network Security Engineer – Palo Alto Firewall
Revolutional, LLC —College Park, MD
- $150,000 - $175,000 a year
- Full-time
- Computer science
- 6 years
- Computer Science
- Paid parental leave
- Health savings account
Quick Apply

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Senior Cybersecurity Engineer

Peraton -
Washington, DC

Apply Now

Job Details

$135,000 - $216,000 a year

Benefits

Health savings account
Paid holidays
Disability insurance
Health insurance
Dental insurance
401(k)
Paid time off
Parental leave
Employee assistance program
Vision insurance
Life insurance

Qualifications

Zero Trust security
Incident management
NIST SP 800-53
Zero Trust Architecture (Architecture security)
IT system monitoring
Security architecture risk management
Security compliance frameworks implementation
Splunk
Log analysis tools
Regulatory Frameworks (Architecture security)
Vulnerability management
Monitoring system implementation
Distributed computing
Identity and access management (IAM) solutions
RMF
Incident response implementation
Identity & access management
IT security monitoring

Full Job Description

About Peraton

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

About The Role

Position Summary

Peraton is seeking a highly experienced Senior Cybersecurity Engineer to support federal government cybersecurity operations and enterprise security analytics initiatives. This position is responsible for designing, implementing, securing, and maintaining complex Splunk environments that support mission-critical security monitoring, threat detection, incident response, compliance, and operational analytics requirements within a government contracting environment.

The ideal candidate will possess advanced expertise in Splunk engineering, cybersecurity operations, and federal security compliance frameworks, with demonstrated experience supporting secure enterprise systems in highly regulated environments. This role requires collaboration with government stakeholders, program managers, cybersecurity teams, and enterprise infrastructure personnel to ensure scalable, resilient, and compliant security solutions.

Key Responsibilities

Design, implement, administer, and optimize enterprise Splunk architectures supporting federal cybersecurity operations and mission requirements.
Engineer and maintain scalable data ingestion, indexing, normalization, correlation, visualization, alerting, and reporting capabilities across classified and unclassified environments.
Develop and maintain Splunk Enterprise Security (ES) use cases, correlation searches, dashboards, threat detections, and automated alerting capabilities.
Collaborate with government customers, ISSOs, ISSMs, SOC analysts, system administrators, and program leadership to gather operational and compliance requirements.
Integrate Splunk with enterprise security technologies including firewalls, IDS/IPS, EDR solutions, vulnerability management tools, identity and access management systems, cloud security platforms, and network monitoring solutions.
Support Security Operations Center (SOC) activities including threat hunting, incident response, forensic investigations, and continuous monitoring initiatives.
Implement cybersecurity best practices and hardening standards for Splunk infrastructure in accordance with federal security requirements.
Ensure Splunk environments comply with federal cybersecurity frameworks including NIST 800-53, RMF, FISMA, DOE cybersecurity directives, Zero Trust Architecture, and Continuous Diagnostics and Mitigation (CDM) requirements.
Develop custom Splunk applications, APIs, scripts, and automation workflows to improve operational efficiency and security visibility.
Perform system upgrades, patch management, performance tuning, troubleshooting, and capacity planning for distributed Splunk environments.
Support Authority to Operate (ATO) processes by developing and maintaining required cybersecurity documentation, artifacts, and audit evidence.
Create and maintain architecture diagrams, standard operating procedures, security documentation, and technical implementation guides.
Provide technical leadership, mentorship, and guidance to junior engineers and cybersecurity analysts.
Participate in cybersecurity assessments, audits, tabletop exercises, and compliance reviews.

Qualifications

Required Qualifications

Minimum of 16 years with HS; 12 years with BS/BA; Minimum of 10 years with MS/MA; Minimum of 7 years with Ph.D.
Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, Engineering, or related discipline; equivalent experience may be substituted.
Strong expertise in Splunk distributed architectures
Experience supporting Security Operations Centers (SOC) and enterprise continuous monitoring programs.
Demonstrated experience implementing and maintaining systems in compliance with:
- NIST 800-53
- RMF (Risk Management Framework)
- FISMA
- Zero Trust Architecture
- DOE or other federal cybersecurity directives
Strong understanding of cybersecurity principles including threat detection, incident response, vulnerability management, identity management, and network security.
Excellent analytical, troubleshooting, and communication skills.
Ability to work effectively in fast-paced, mission-focused government environments.
Ability to obtain DOE Q/SCI clearance.

Preferred Qualifications

Splunk certifications such as:
- Splunk Enterprise Certified Architect
- Splunk Enterprise Security Certified Admin
- Splunk Core Certified Power User
Industry certifications such as:
- CISSP
- GIAC
- Security+
- CEH
- CySA+
Experience supporting Department of Energy (DOE)

Details

Target Salary Range: $135,000 - $216,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.

Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity.

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

Apply Now

Refine Your Search

senior security engineer jobs in mount rainier, md

Senior Cybersecurity Engineer

Principal / Senior Principal Embedded Systems Security Engineer

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Senior Cyber Infrastructure Engineer & Architect (Security Platforms SME)

Junior/Senior Systems Engineer, TS/SCI Security Clearance Required, Onsite in Herndon, VA

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