Network Security Engineer

Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction. We are seeking an experienced Network Security Engineer with strong Firewall Administration and Palo Alto skills to join our team. The ideal candidate will manage and administer firewall solutions within a highly secure SCIF environment. You will be responsible for ensuring the secure and efficient operation of firewall systems to protect classified government information and networks. Key Responsibilities: Administer and manage Palo Alto firewalls, including deployment, configuration, and maintenance. Monitor, analyze, and troubleshoot firewall traffic to identify and mitigate security threats. Implement and maintain firewall rules, policies, and configurations based on security best practices and organizational requirements. Collaborate with security teams to ensure compliance with government security standards and protocols. Perform regular security assessments and audits to ensure firewalls are properly configured and functioning. Provide documentation and support for network architecture and firewall configurations. Respond to security incidents and conduct root cause analysis to prevent future occurrences. Maintain up-to-date knowledge of emerging security threats and technologies. Work onsite in a Sensitive Compartmented Information Facility (SCIF) to ensure the secure handling of classified information. Required Qualifications: Top Secret clearance with SCI eligibility is mandatory. Proven experience as a Firewall Administrator , specifically with Palo Alto technologies. Strong understanding of firewall configurations, rule sets, and network security best practices. Experience working in highly secure environments, particularly within a SCIF . Knowledge of government cybersecurity policies, including NIST , FISMA , and DoD security frameworks. Experience with monitoring tools and incident management in secure environments. Excellent troubleshooting and analytical skills, with the ability to quickly resolve complex security issues. Strong documentation skills to create and maintain firewall configuration and operational procedures. Preferred Qualifications: Palo Alto certifications such as Palo Alto Networks Certified Network Security Administrator (PCNSA) or Palo Alto Networks Certified Network Security Engineer (PCNSE) . Experience with other security technologies such as VPNs, IDS/IPS, and SIEM solutions. Familiarity with automation tools and scripting for firewall management. Work Environment: This position is 100% onsite in a SCIF environment. Occasional after-hours work may be required for maintenance and upgrades. LI Here at Harmonia we are pleased to have been repeatedly recognized for our outstanding work culture, the innovative work we do, and the employees on our team who make a difference each day. Some of these recognitions include: Recognized as a Top 20 "Best Place to Work in Virginia" Recipient of Department of Labor's HireVets Gold Medallion Great Place to Work Certification for five years running A Virginia Chamber of Commerce Fantastic 50 company A Northern Virginia Technology Council Tech 100 company Inc. 5000 list of fastest growing companies for eleven years Two-time SBA SBIR Tibbett's Award winner Virginia Values Veterans (V3) Certification We recognize that every bit of our success is the result of our teams of hard-working, motivated, and innovative professionals who are proud to call themselves part of the Harmonia family In addition to competitive compensation, a family-focused culture, and a dynamic, productive work environment, we offer all full-time employees a variety of benefits including, but not limited to Traditional and HSA- eligible medical insurance plans w/ Wellness Incentives for employees and family 100% employer-paid dental and vision insurance options 100% employer-sponsored STD, LTD, and life insurance Veterans Cohort Gym membership reimbursement 401(k) matching Dollar-for-dollar 501(c)(3) donation matching Flexible-schedules and teleworking options Paid holidays and Flexible Paid Time Off Adoption Expense Reimbursement Paid Parental Leave Professional development and career growth opportunities and paid training days Employer-sponsored Employee Assistance Program for employee and family Team and company-wide events, recognition, and appreciation and so much more Check out our LinkedIn, Facebook, and Instagram to find out a little more about who we are and if we are the right next step for your career Harmonia is an Equal Opportunity Employer providing equal employment opportunity to all employees and applicants for employment without regard to race, color, religion, national origin, age, gender, gender identity, sexual orientation, disability, or genetics. Harmonia does and will take affirmative action to employ and advance in employment individuals with disabilities and protected veterans. To perform the above job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience required; and must be able to perform each essential duty and responsibility satisfactorily. Other duties in addition to those listed may be assigned as necessary to meet business needs. Reasonable accommodation will be made to enable an applicant with a disability to successfully apply for and/or perform the essential duties of the job. If you are in need of an accommodation, please contact HRharmonia.com.