Job Description

Network Security Engineer

Location: Washington, DC – Hybrid (Three [3] days on-site, two [2] telework days after 30–45 days on-site)
Clearance Requirement: U.S. Citizen with SECRET or higher clearance
Salary Range: $125k – $135k

Who We Are

At RCG, Inc., we’re more than just a federal contracting company — we’re a team of innovators, problem-solvers, and collaborators. Proudly Certified™ as a Great Place to Work® 4 years in a row, we are committed to building a culture where people can grow, contribute, and thrive while delivering exceptional IT services to government clients.

The Opportunity

We are seeking a Network Security Engineer to join our growing team in Washington, DC. This full-time role supports an ongoing federal government contract and plays a critical role in protecting and strengthening enterprise systems.

Due to the secure nature of this agency, all candidates must be U.S. citizens and possess an active SECRET or higher clearance. Telework eligibility will be determined based on customer policy and contract requirements after an initial on-site period.

The successful candidate will receive a contingent offer pending the outcome of a government background check. This process may take several weeks, and employment cannot begin until the background check is successfully completed.

What You’ll Do

As a Network Security Engineer, you will design, develop, and implement comprehensive security solutions — including computer security, scalable architectures, advanced analytics, and network/data center operations — while specializing in local and enterprise-level incident response.

Primary Responsibilities:

• Provide real-time monitoring and situational awareness of security events, executing first-tier incident response and escalation in accordance with established policies.
• Manage and maintain operating system-related tools, including user management, Windows/Linux patching, database management, Tenable Security Center, and Cloudflare.
• Deploy, maintain, and enhance Data Loss Prevention (DLP) capabilities to safeguard Personally Identifiable Information (PII) per organizational policy.
• Manage and monitor organizational web applications and enforce web security best practices.
• Collaborate with security vendors and stakeholders to implement and maintain infrastructure such as firewalls, antivirus, intrusion detection/prevention systems, and related tools.
• Conduct regular vulnerability scans and assessments, coordinating remediation with ISSOs and vendors.
• Enforce end-user device threat containment and access control using network security technologies.
• Evaluate and implement new security tools to strengthen overall cybersecurity posture.
• Maintain enterprise dashboards for situational awareness of cyber threats, events, and incidents to aid in decision-making and prioritization.
• Collaborate with stakeholders to forward log data from multiple sources (firewalls, packet captures, web proxies, intrusion detection, malware analysis) using CRIBL.

What We’re Looking For

Required Qualifications:

• Bachelor’s degree or equivalent experience.
• Minimum 3+ years of experience in security engineering, incident response, or security posture management.
• Demonstrated experience with technologies including:
  • SentinelOne
  • Splunk
  • Endpoint Management
  • Identity and Access Management
  • Intrusion Detection & Prevention
  • Patch Management (Windows and Unix)
  • EDR (Endpoint Detection and Response)
  • Web Security / Web Content Filtering
  • Vulnerability Scanning and Assessment Tools
  • Firewall and VPN
  • Secure Email and Email Filtering
  • Synack
• Strong analytical and troubleshooting skills with high attention to detail.
• Excellent written and verbal communication skills.
• Ability to work effectively in a fast-paced, security-driven environment.

Preferred Certification:

• CompTIA Security+ ce (or higher-level security certification)

Why You’ll Love Working Here

• Certified™ Great Place to Work® — supportive and inclusive culture.
• Competitive salary and benefits package.
• Opportunities for growth and advancement.
• Make a direct impact by strengthening cybersecurity across mission-critical government systems.

Equal Opportunity Statement

RCG, Inc. does not discriminate against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibits discrimination against all individuals based on their race, color, religion, sex, sexual orientation/gender identity, or national origin. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

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