Sr Security Integration Engineer (Elastic Stack)

Job#: 3027281

Job Description:

Apex Systems, a World-Class Technology Solutions Provider, is seeking applicants for the below position on behalf of our client. Please apply if interested and qualified. Please note that only qualified candidates will be contacted.

Position: Sr Security Integration Engineer

Location: 15 Falcon Parkway Schriever Air Force Base, Colorado Springs, CO 80912 OR

Building 5220, Redstone Arsenal, AL 35898

Clearance Level: Secret

Type: W2 contract, paid hourly. No C2C, 1099, or third-party submissions will be accepted. Only direct W-2 candidates will be considered.

Pay Rate Range: W2 $62.50 - $72.12/hr

Job Description:

The Senior Security Integration Engineer (Elastic Stack) supports the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract. The candidate will:

• Be responsible for onboarding, integrating, and optimizing security data sources into the Elastic Security Platform.
• Collaborate with customer technical teams to map their environment, plan ingestion strategies, update network and data flow diagrams, validate logging pipelines, and ensure successful end-to-end SIEM integration.

Key Responsibilities:

• Conduct assessments of customer environments and identify required logging, telemetry, and network visibility gaps.
• Translate customer operational requirements into ingestion roadmaps and technical implementation plans.
• Develop, maintain, and version-control network diagrams, data flow diagrams, and SIEM onboarding documentation.
• Produce runbooks, integration guides, and operational reference materials.
• Monitor ingestion health and coordinate issue resolution with customers and internal teams.
• Ensure adherence to security policies, logging standards, and architectural governance.
• Provide technical guidance and mentorship to junior engineers working on data ingestion and SIEM onboarding tasks.
• Contribute to onboarding playbooks, best practices, and internal training sessions.
• Serve as a subject-matter expert on Elastic SIEM capabilities and logging integration patterns.

The successful candidate will have:

• Expert proficiency with Elastic Stack design, ingestion, and optimization.
• Advanced competency in network architecture, security telemetry, and log analytics.
• Strong troubleshooting skills covering ingestion failures, ECS issues, agent deployment, and pipeline errors.
• Skilled at engaging customers, translating requirements, and articulating complex integrations clearly.
• Effective at producing structured, high-quality documentation and diagrams.
• Demonstrated ownership of complex projects from planning through execution.
• Detail-oriented with a focus on accuracy, completeness, and mission assurance.
• Ability to balance customer requirements with architectural standards and best practices.

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 in cybersecurity engineering, systems integration, or SIEM operations.
• Must have 2, or more, years of experience in a lead or senior role, mentoring and guiding other team members.
• Must have a strong understanding of enterprise networks, including routing, switching, VPNs, firewalls, and network security tools.
• Experience with data ingestion, processing, and enrichment techniques.
• Must be able to build and maintain network and data flow diagrams (e.g., Visio, Lucidchart, Draw.io).
• Must be proficient in Linux systems, command-line tools, and system administration fundamentals.
• Must have experience working directly with customers in a technical consulting or engineering capacity.
• Must have a 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/maintain a DoD Top Secret Security Clearance

Desired Requirements:

• Have 1, or more, of the following: Elastic Certified Engineer, Elastic Certified Analyst, or relevant Elastic certifications.
• Have experience with cloud platforms and logging pipelines (AWS, Azure, Google Cloud Platform, cloud- native telemetry).
• Be familiar with ECS (Elastic Common Schema) and data normalization best practices.
• Have experience implementing detection engineering or threat hunting workflows in Elastic Security.
• Have knowledge of scripting languages (Python, PowerShell, Bash) to automate ingestion and data validation.
• Have experience integrating EDR, NDR, IAM, and vulnerability management logs into a SIEM.
• Have an understanding of MITRE ATT&CK, cyber kill chain, and threat intelligence ingestion.
• Have experience mentoring or leading small technical teams.

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 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.