Top 442 Senior security engineer Jobs in Washington, Dc

Senior Identity Security Engineer (Arlington, VA or San Diego, CA)
CoStar Group —Arlington, VA
- $133,000 - $203,000 a year
- Full-time
- Research
- Office
- Analysis skills
- Employee stock purchase plan
- Health insurance
12d
Senior Security Engineer
Evolver Inc —Washington, DC
- $160,000 - $190,000 a year
- Full-time
- Background check
- Azure
- Computer Science
- Health insurance
- Dental insurance
Quick Apply
11d
Senior IAM Engineer
SpaceXAI —Washington, DC
- $100,000 - $258,000 a year
- On call
- 6 years
- Continuous improvement
- JavaScript
- Disability insurance
- Health insurance
Quick Apply
Senior AI Security Engineer
DataSpring —Washington, DC
- $180,000 - $195,000 a year
- Full-time
- Remote
- System design
- HIPAA
- Residential
- Paid parental leave
- Health insurance
Quick Apply
Senior Cybersecurity Engineer
PEMCCO —Washington, DC
- $63.96 - $105.54 an hour
- Full-time
- Computer Science
- System design
- Office
- Paid holidays
- Health insurance
Quick Apply
Cyber Reverse Engineer, Senior
CACI —Sterling, VA
- $113,200 - $237,800 a year
- Full-time
- Computer science
- 7 years
- Computer Science
- Health insurance
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
Senior Wireless Reverse Engineer
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $105,000 - $290,000 a year
- Full-time
- Computer Science
- Master's degree
- Analysis skills
- Disability insurance
- Health insurance
4d
Senior Reverse Engineer / Vulnerability Researcher
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $105,000 - $290,000 a year
- Full-time
- Computer Science
- 5 years
- Master's degree
- Disability insurance
- Health insurance
Senior Security Engineer
Chickasaw Nation Industries —Reston, VA
- Full-time
- Schematics
- Ability to walk for extended periods
- Office
- AD&D insurance
- Disability insurance
10d
Senior Cloud Information System Security Engineer
MANTECH —Washington, DC
- Full-time
- 6 years
- Computer Science
- Office
2d
Senior PKI/ Cryptography Engineer
Freddie Mac —McLean, VA
- $126,000 - $190,000 a year
- Full-time
- 5 years
- Windows
- Java
Senior Cybersecurity Engineer
CACI —Springfield, VA
- $113,200 - $237,800 a year
- Full-time
- 6 years
- Computer Science
- Writing skills
- Health insurance
Senior Cyber AI Operations Engineer (Onsite)
System One —Washington, DC
- Contract
- Background check
- Computer Science
- Bachelor of Science
Quick Apply
Senior System Engineer (Email Security Migration)
System One —Washington, DC
- Contract
- Background check
- Bachelor of Science
- Senior level
- Health insurance
- Dental insurance
Quick Apply
Senior Systems Engineer
Gridiron IT Solutions LLC —Arlington, VA
- $100,000 - $150,000 a year
- Full-time
- Hybrid work
- Research
- Office
- Bachelor's degree
- Health savings account
- AD&D insurance
Quick Apply
Sr. Cybersecurity Analyst
Horizontal Talent —Washington, DC
- $39 - $75 an hour
- Azure
- Writing skills
- AWS
- Vision insurance
Sr. Control Assessment Analyst
Horizontal Talent —Washington, DC
- Computer science
- Computer Science
- Writing skills
Sr Principal Cyber Systems Engineer (S)
Northrop Grumman —Jessup, MD
- $156,400 - $234,600 a year
- Overtime
- Computer science
- Computer Science
- Bachelor's degree
- Paid holidays
- Disability insurance
4d
Sr Principal Cyber Systems Engineer (S)
Northrop Grumman —Jessup, MD
- $156,400 - $234,600 a year
- Overtime
- Computer science
- Computer Science
- Bachelor's degree
- Paid holidays
- Disability insurance
4d

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Senior Identity Security Engineer (Arlington, VA or San Diego, CA)

CoStar Group -
Arlington, VA

Apply Now

Job Details

Full-time
$133,000 - $203,000 a year
12 days ago

Benefits

Employee stock purchase plan
Health insurance
On-site gym
Dental insurance
Tuition reimbursement
Paid time off
Work from home
Vision insurance
401(k) matching
Life insurance

Qualifications

Cloud identity and access management (IAM)
Authorization controls implementation
IT user and group management
Security data analysis
Programming languages
Bachelor's degree
Security Event Management (security operations)
Log analysis tools
Data access controls implementation
Cryptography
Identity and access management (IAM) architecture design
SIEM
Access control management
Security technology solutions implementations
Identity & access management

Full Job Description

Senior Identity Security Engineer (Arlington, VA or San Diego, CA)

Job Description

Overview

CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.

We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.

In this role, you'll harden controls to empower 8000 em ployees to seamlessly and securely connect to company resources through a zero trust, FIDO2 compliant framework. You will assess , identify and mitigate risks across a large technical infrastructure and corporate environment. This position will work with Security, Systems, DevOps, Network, and Development teams to drive and shape the way our employees and engineers access our systems. The candidate must have hands-on experience implementing and operating modern IAM tools. Ideal candidates will have a thorough understanding of adversary in the middle attacks, social engineering attacks, and offensive privilege escalation techniques , and have experience implementing or operating controls to prevent such attacks.

This position can be located in either Arlington, VA or San Diego, CA and is in office Monday through Thursday and work from home on Friday.

Responsibilities

Design, implement, and continuously improve identity security controls across various platforms
Develop and maintain conditional access policies that enforce appropriate authentication strength, device compliance, etc including for privileged roles, sensitive applications, and workload identities
Analyze logs to scope and guide rollouts of new security initiatives
Support an org-wide, multi-platform phish-resistant authentication rollout
Engineer controls around AI and workload identities (service principals, managed identities, OAuth app registrations)
Research, prototype, and operationalize AI-assisted tooling and agentic workflows to improve team efficiency, including automating repetitive analysis and building internal tools that surface identity risk
Document projects, standards, and runbooks
Communicate frequently and effectively with both technical and non-technical stakeholders
Participate in attack path management efforts via commercial and open-source tools
Stay current with the greater identity threat landscape as well as the identity defense offerings from major IDP vendors

Basic Qualifications

Bachelor’s Degree required from an accredited, not for profit, in person, university or college.
A track record of commitment to prior employers
Thorough understanding of AitM attacks, Evilgnx and understanding on how to neutralize them through strong identity security hygiene
4+ years of hands-on security engineering experience, including implementation of new controls to address threats
Strong analytical and problem-solving skills with a data-driven approach to decision-making
Hands-on experience administrating industry-standard IDPs (Okta, PingID, Microsoft Entra ID, Active Directory)
Knowledge of authentication and authorization protocols such as SAML, OAuth, OIDC, Kerberos
Firm understanding of PKI, the FIDO2 framework, passkeys, Windows Hello for Business, and Platform SSO, Okta FastPass, Okta Device Trust
Solid understanding of role-based access control, least privilege, just-in-time access, and other identity security paradigms
Experience analyzing SIEM logs and creating related dashboards
Ability to read and author basic scripts in at least one common language (Python, PowerShell, Bash)

Preferred Qualifications and Skills

Hands-on experience with Microsoft Intune, Jamf, JumpCloud, or other MDM platforms
Experience with identity security testing tools such as Bloodhound, AzureHound, SharpHound, Responder, etc.
Record of automating operational tasks
Familiarity with CI/CD infrastructure
Experience configuring risk-based conditional access or authentication policies
Experience with workload identity governance
Strong written and verbal communications skills, with a demonstrated ability to communicate complex topics with both engineering peers and non-technical audiences
Experience with AI/ML-assisted security tooling, including building or deploying LLM-based agents

What’s in it for You

When you join CoStar Group, you’ll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed.

We offer you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training, and tuition reimbursement.

Our benefits package includes (but is not limited to):

Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug
Life, legal, and supplementary insurance
Virtual and in person mental health counseling services for individuals and family
Commuter and parking benefits
401(K) retirement plan with matching contributions
Employee stock purchase plan
Paid time off
Tuition reimbursement
On-site fitness center and/or reimbursed fitness center membership costs (location dependent)
Access to CoStar Group’s Employee Resource Groups
Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks

The final salary or hourly rate offered for this role will fall within the range set forth below based on a variety of factors, including but not limited to, geographic location, skills, and competencies.

Base Compensation: $133,000 – $203,000 Annually

We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar Group is not able to provide visa sponsorship for this position.

#LI-AR

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

Apply Now

Refine Your Search

senior security engineer jobs in washington, dc

Senior Identity Security Engineer (Arlington, VA or San Diego, CA)

Senior Security Engineer

Senior IAM Engineer

Senior AI Security Engineer

Senior Cybersecurity Engineer

Cyber Reverse Engineer, Senior

Senior Hardware Reverse Engineer

Senior Wireless Reverse Engineer

Senior Reverse Engineer / Vulnerability Researcher

Senior Security Engineer

Senior Cloud Information System Security Engineer

Senior PKI/ Cryptography Engineer

Senior Cybersecurity Engineer

Senior Cyber AI Operations Engineer (Onsite)

Senior System Engineer (Email Security Migration)

Senior Systems Engineer

Sr. Cybersecurity Analyst

Sr. Control Assessment Analyst

Sr Principal Cyber Systems Engineer (S)

Sr Principal Cyber Systems Engineer (S)

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