Demo

Sr Elastic Engineer (EDR/Defend Focus)

Apex Systems
Colorado, CO Full Time
POSTED ON 1/13/2026
AVAILABLE BEFORE 2/11/2026
Job#: 3017651

Job Description:

CANDIDATES MUST HOLD AN ACTIVE SECRET SECURITY CLEARANCE OR HIGHER TO BE CONSIDERED FOR THE ROLE

Sr. Elastic Engineer

$55 - $70 an hr/W2

Duration: 6mth CTH

Location: Colorado Springs, CO (Schriever SFB) or (Huntsville, AL, Redstone Arsenal)

Onsite requirements: 100% Onsite

Required working hours: Mon-Fri / Day Shift

Description of Duties:

The Senior Elastic Engineer (EDR/Defend Focus) supports the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract. The candidate will:

  • Be a key contributor to the design, implementation, and maintenance of our Elastic Stack environment, with a primary focus on leveraging Elastic EDR and Defend capabilities to enhance our cybersecurity posture.
  • Be responsible for ensuring the security, scalability, and performance of our Elastic Stack infrastructure, and will work closely with other teams to integrate it with existing security tools and workflows.

Key Responsibilities:

  • Architect, deploy, and maintain a highly available and scalable Elastic Stack environment, specializing in Elastic EDR/ Defend.
  • Configure and optimize Elastic EDR/Defend policies and data pipelines for threat detection, prevention, and security event enrichment.
  • Develop and maintain Kibana dashboards and visualizations for real-time security monitoring, threat identification, and incident response tracking.
  • Perform proactive threat hunting and in-depth security analysis using Elastic EDR/Defend capabilities.
  • Troubleshoot complex Elastic Stack issues, develop comprehensive documentation, and mentor junior engineers to ensure operational excellence.

The successful candidate will have:

  • Expert knowledge of the Elastic Stack (Elasticsearch, Logstash, Kibana)
  • Expert knowledge of Elastic EDR and Defend capabilities
  • Strong understanding of data indexing, sharding, replication, and data lifecycle management.
  • Strong understanding of Linux and Windows operating systems
  • Strong understanding of security principles, threat detection, and incident response.
  • Knowledge of common coding flaws and security vulnerabilities.
  • Knowledge of network protocols and security concepts.
  • Knowledge of security frameworks and compliance standards (e.g., NIST, FedRAMP).
  • Ability to interpret and incorporate data from multiple tool sources.
  • Ability to analyze complex requirements and translate them into clear, actionable tasks.
  • Ability to work independently and as part of a team.
  • Excellent communication and interpersonal skills.

Qualifications:

Basic Requirements:

  • Must have 10, or more, years of general (full-time) work experience
  • May be reduced with completion of advanced education
  • Must have 5, or more, years of experience working with the Elastic Stack (Elasticsearch, Logstash, Kibana).
  • Must have 3, or more, years of experience specifically implementing and managing Elastic EDR and Defend solutions.
  • Must have 2, or more, years of experience in a lead or senior role, mentoring and guiding other team members.
  • Must have 1, or more, years of experience working in a management or leadership role
  • Must have a strong understanding of security principles, threat detection, and incident response.
  • Must have experience with data ingestion, processing, and enrichment techniques.
  • Must be proficient in at least one scripting language (e.g., Python, Bash, PowerShell).
  • Must have aa current DoD 8570.01-M IAT Level II certification with Continuing Education (CE) - (CCNA-Security, CySA , GICSP, GSEC, Security CE, CND, SSCP)
  • Must have an active DoD Secret Security Clearance
  • Must be able to obtain an active DoD Top Secret Security Clearance

Desired Requirements:

  • Have experience with Linux and Windows Server administration.
  • Have experience with containerization technologies (Docker, Kubernetes).
  • Have experience with automation tools (Ansible, Puppet, Chef).
  • Have experience with cloud platforms (AWS, Azure, GCP).
  • Have experience with SIEM technologies and security event management.
  • Have experience with security frameworks and compliance standards (e.g., NIST, FedRAMP).
  • Have a strong understanding of network protocols and security concepts.
  • Have experience with threat intelligence platforms and data feeds.
  • Have 1, or more, relevant security certifications (e.g., CISSP, CISM, CEH).
  • Have experience tuning and optimizing Elastic EDR and Defend for specific threat landscapes.
  • Please respond with the word YELLOW SRE if you meet the qualifications and are interested in next steps to [email protected] **

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is part of the Commercial Segment of ASGN Incorporated.

NYSE: ASGN

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.

Salary : $55 - $70

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