Security Engineer

Boost-LLC; Silver Spring (MD); Hybrid; USD 90,000 - 130,000; Full time

Job summary

BOOST LLC is hiring a Security Engineer to design and maintain security infrastructure, manage access controls, and support compliance across cloud and on‑prem environments.

You will work with IT teams to harden systems, run threat hunting, and participate in on‑call rotations, requiring strong collaboration and hands‑on technical skills.

Qualifications

• 4+ years in network, application and information security.
• Strong understanding of NIST 800-53 controls.
• Experience with O365 security and cloud security tooling.
• Proficiency in firewall management and SASE concepts.
• Basic Windows and Linux administration skills.
• Experience with authentication systems and incident response.
• Familiarity with MITRE ATT&CK and pen testing concepts.
• Ability to communicate clearly with clients and teams.

Responsibilities

• Design, implement, and maintain security infrastructure and tools.
• Support security policy, procedures, and compliance efforts.
• Assist with vulnerability assessments and incident responses.
• Monitor security systems and respond to anomalies.
• Plan and participate in cloud migrations and automation tasks.
• Produce technical documentation and reports.

Skills

Security engineering

NIST 800-53

Cloud security (AWS/Azure)

Firewall management

Windows administration

Linux administration

Authentication systems

Pen testing

MITRE ATT&CK

SAST/DAST

Education

Bachelor’s degree in computer science / IT

GIAC / CISSP / AWS Security - Specialty (desirable)

Tools

O365 Suite Security

AWS/Azure security tools

Job description

Current job opportunities are posted here as they become available.

BOOST LLC is a dynamic management consulting firm that offers an array of government-compliant back-office solutions to support our teaming partners within the GovCon space. Our consultants are experts in the areas of Accounting, Contracts, Human Resources, Recruiting & Sourcing, and Strategic Pricing and our passion is to guide and propel our partners towards success within this competitive sector.

About Dynaxys

Dynaxys provides comprehensive technology and business solutions tailored for government and enterprise needs. Our expertise spans accounting, loan servicing, property management, case management, and data analytics, including AI-driven insights. We specialize in engineering complex business process automation, modernizing legacy systems, developing enterprise software, and ensuring security and compliance with federal standards. Additionally, we offer private cloud hosting, cybersecurity consulting, and operations and maintenance services, all backed by certified professionals and industry best practices.

Department: Information Technology

Job Title: Security Engineer

Job Type: Full-time (Permanent)

Work Location: Remote/Hybrid - as needed in office a few times per month - Silver Spring, MD 20904

Position Summary

The Security Engineer provides technical support for hardware and software elements and processes of the security program. Principally responsible for designing, managing, maintaining and implementing Dynaxys security infrastructure and general support of other security tools, policy and procedures.

To perform this job successfully, an individual must be able to perform each essential duty satisfactory. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Key Responsibilities

Systems Administration & Infrastructure:

• Implements recommended changes to address problems that are moderately complex in nature (i.e. departmental firewall/network changes).
• Develops or aids in the development of security architecture, systems, programs and improvements
• Assists with information security and network related issues
• Participates in large projects and /or complex network and security changes through implementation of assigned tasks.
• Monitors network security systems for anomalies and/or activity that are suspicious in nature.
• Conducts regular threat hunting and simulation activities
• Aids with incident response activities
• Assists with vulnerability assessments on mission-critical resources
• Identifies and administers ongoing system changes and life cycle management for assigned security systems
• Develop associated technical documentation
• Participates in on call support rotation. Will be required to work off hours as needed in support of changes of the environment as well as on-call responsibilities
• Assist in evaluating, planning, and preparing for cloud migration.
• Automate repetitive system administration tasks to improve reliability and efficiency
• Other duties as assigned

Security & Compliance:

• Maintain compliance with federal security regulations and industry best practices.
• Ensure system availability, security, and performance.
• Work closely with operations teams to ensure server hardening, logging, and access control policies.

Required Experience & Qualifications

• 4+ years' experience working in Network, application and Information Security.
• Strong understanding of NIST 800-53 security controls.
• O365 Suite Security Experience
• Proficiency in Network / Firewall management / SASE
• Basic Windows and Linux administration capabilities.
• Basic computer networking skills.
• Experience managing authentication systems
• Ability to implement and design technical security controls.
• Knowledge of pen testing physical and computer systems
• Familiarity with the MITRE ATT&CK framework or similar.
• Proven technical skills and demonstrated troubleshooting skills.
• Securing AWS and Azure workloads with associated toolsets
• Understanding of SAST/DAST testing
• Understanding of AI workloads and general protections for them
• Demonstrated ability to work in team environment
• Ability to write routine reports and correspondence
• The person in this position frequently communicates with clients, administrators and staff that have questions or need information. Must be able to exchange accurate information in these situations
• Ability to read and interpret documents such as procedure manuals, and operating and maintenance instructions
• Ability to troubleshoot and resolve computer errors or problems

Education & Clearance Requirements

• Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent work experience).
• Professional experience in lieu of education accepted.
• US Citizen (due to federal contract requirements).
• Be able to successfully clear the PIV process.
• GIAC, CISSP, and AWS Certified Security - Specialty certifications are desirable.

Physical Demands

• Ability to sit for extended periods at a desk, conference table, or in meeting rooms.
• Ability to stand for extended periods while operating computers, printers, and other networking equipment.
• Facility to occasionally move about inside the office to access computers, printers, office machinery, etc.
• Able to position self to maintain computers in the data center or networking rooms and closets, including under the desk.
• Ability to pull floor tiles and reach under raised floor tiles to perform cabling activities.
• Periodically lifts, carries, or otherwise moves and positions objects weighing up to 50 pounds.

U.S. Citizenship is necessary due to federal contract requirements. Applicants must be prepared to verify citizenship at interview stage.

This is an opportunity to join a forward-thinking organization where your leadership and technical expertise will drive enterprise-wide impact.