Senior Security Architect

Argus Cyber; Washington (District of Columbia); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Argus Cyber in Washington, DC, is seeking a Senior Security Architect for a full-time, hybrid role (3 days on-site). You will design and implement enterprise security architectures, align with risk tolerance and regulatory requirements, and mentor security teams.

Daily work includes threat modeling, reviewing designs, guiding controls for networks, applications, and data; collaborating with engineering and leadership; supporting audits, compliance, and incident response.

Qualifications

• Strong skills in security architecture design and information security for enterprise solutions.
• Proficiency in application security and cybersecurity to protect software systems and evolving threats.
• Experience with network security and safeguarding sensitive data; familiarity with risk assessment methodologies.

Responsibilities

• Design and implement security architectures for complex systems.
• Assess current security postures, conduct threat modeling, and review designs.
• Guide controls for networks, applications, and data; mentor teams and support audits.

Skills

Security Architecture

Information Security

Application Security

Cybersecurity

Network Security

Education

Bachelor’s degree in Computer Science / Information Security / Engineering

CISSP / CISM / CCSP certifications beneficial

Tools

Firewalls

IDS/IPS

SIEM

Endpoint protection

Encryption solutions

Job description

Company Description

Argus Cyber is a leading Information Technology firm that delivers custom Cyber Security, Information Assurance, and Engineering solutions to commercial, state, and federal organizations. The company focuses on building efficiency, reliability, and security into every client engagement. Industry-leading subject matter experts work closely with customers to design tailored defenses against evolving threats. Team members collaborate in a mission-driven environment that values technical excellence, innovation, and trusted partnerships.

Role Description

This is a full-time Senior Security Architect role based in Washington, DC with a hybrid work arrangement (3 Days On-Site). The Senior Security Architect will design and implement security architectures for complex systems, ensuring alignment with organizational risk tolerance, regulatory requirements, and industry best practices. Daily responsibilities include assessing current security postures, conducting threat modeling, reviewing system and application designs, and recommending controls to secure networks, applications, and data. The role involves collaborating with engineering, operations, and leadership teams, creating security design documentation, and guiding implementation of security standards and frameworks. The Senior Security Architect will also provide technical leadership, mentor team members, and support security audits, compliance efforts, and incident response activities as needed.

Qualifications

• Candidates should possess strong skills in Security Architecture Design and Information Security to develop robust, enterprise-level security solutions.


• Candidates should possess skills in Application Security and Cybersecurity to protect software systems and address evolving threat landscapes.


• Candidates should possess skills in Network Security and Information Security to secure network infrastructures and safeguard sensitive data.


• Experience with security frameworks and standards (e.g., NIST, ISO 27001, CIS Controls) and risk assessment methodologies.


• Proven ability to lead complex security projects, influence technical decisions, and communicate clearly with technical and non-technical stakeholders.


• Hands-on experience with security tools and technologies (e.g., firewalls, IDS/IPS, SIEM, endpoint protection, encryption solutions).


• Bachelor’s degree in Computer Science, Information Security, Engineering, or related field; advanced degree or relevant certifications (e.g., CISSP, CISM, CCSP) are beneficial.


• Prior experience in securing systems for government or highly regulated environments is a plus.