Senior Network Security Engineer Jobs in Mississippi
Senior Network Security Engineer jobs in Mississippi concentrate in defense contracting, financial services, and state government IT, with the Jackson metro anchoring most of the activity alongside Huntsville-adjacent contractors operating across the state line and the Gulf Coast's growing technology corridor near Gulfport and Biloxi. Employers with a lasting presence hiring at this level include Leidos, Northrop Grumman, and Trustmark Bank, which maintain significant operations throughout Mississippi. The most in-demand specialties are zero-trust architecture, industrial control system security, and cloud security engineering. See the openings below and apply to the ones that match your experience.
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Showing 5 of 21+ Senior Network Security Engineer jobs
About Peraton
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we’re keeping people around the world safe and secure.
Program Overview
About The Role
Peraton is seeking an experienced Senior Network Administrator to support and maintain the operational health of our network infrastructure. The ideal candidate will have strong expertise in routing, switching, and security compliance, with hands-on experience troubleshooting firewalls and managing network services in a government or highly regulated environment. This role focuses on operational support rather than network architecture or engineering.
Location: Hybrid, based in Stennis Space Center, Mississippi.
Day to Day Roles and Responsibilities:
Perform day-to-day operational network support, including troubleshooting firewalls and other network components.
Implement network changes after hours as required, following established change management processes.
Monitor network performance and manage network services, including SNMP, NTP, SSH, HTTPS, PKI, and syslog.
Maintain security compliance, perform assessments, and remediate issues as necessary.
Participate in on-call rotation and respond to network incidents in a timely manner.
Document all work and maintain accurate records in ticketing and change management systems.
Collaborate with internal teams to ensure network reliability, availability, and performance.
Qualifications
Basic Qualifications:
- Bachelors degree and 5 years of experience or a Masters degree and 3 years of experience or a High School diploma and 9 years of experience.
- Must be a U.S. Citizen with the ability to obtain a DHS (EOD) Public Trust.
Advanced experience in routing and switching
Strong knowledge of security compliance assessment and remediation
Experience with firewall troubleshooting and management
Knowledge of load balancing and AAA (Authentication, Authorization, Accounting)
Experience with network management and monitoring services (SNMP, NTP, SSH, HTTPS, PKI, syslog)
Familiarity with change management processes and ticketing systems
Experience with Windows and Linux operating systems
Understanding of virtualization technologies
Ability to work mostly business hours with some evening work and participate in on-call rotation
Strong attention to detail and excellent verbal and written communication skills
Preferred Qualifications:
Experience with NX-OS (Cisco Nexus Operating System)
Experience with Cisco ACI (Application Centric Infrastructure)
Experience with F5 BIG-IP LTM (Local Traffic Manager)
Experience with Palo Alto Firewalls, Cisco ASA, and Cisco ISE
Knowledge of Cisco FXOS (FirePower Extensible Operating System) and UCS (Unified Computing System)
ITIL certification or knowledge of ITIL practices
Prior experience in a government IT environment
Patience and strong collaboration skills
Details
Target Salary Range: $80,000 - $128,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.
Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity.
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
About Peraton
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we’re keeping people around the world safe and secure.
Program Overview
About The Role
Peraton is seeking an experienced Senior Network Administrator to support and maintain the operational health of our network infrastructure. The ideal candidate will have strong expertise in routing, switching, and security compliance, with hands-on experience troubleshooting firewalls and managing network services in a government or highly regulated environment. This role focuses on operational support rather than network architecture or engineering.
Location: Hybrid, based in Stennis Space Center, Mississippi.
Day to Day Roles and Responsibilities:
Perform day-to-day operational network support, including troubleshooting firewalls and other network components.
Implement network changes after hours as required, following established change management processes.
Monitor network performance and manage network services, including SNMP, NTP, SSH, HTTPS, PKI, and syslog.
Maintain security compliance, perform assessments, and remediate issues as necessary.
Participate in on-call rotation and respond to network incidents in a timely manner.
Document all work and maintain accurate records in ticketing and change management systems.
Collaborate with internal teams to ensure network reliability, availability, and performance.
Qualifications
Basic Qualifications:
- Bachelors degree and 5 years of experience or a Masters degree and 3 years of experience or a High School diploma and 9 years of experience.
- Must be a U.S. Citizen with the ability to obtain a DHS (EOD) Public Trust.
Advanced experience in routing and switching
Strong knowledge of security compliance assessment and remediation
Experience with firewall troubleshooting and management
Knowledge of load balancing and AAA (Authentication, Authorization, Accounting)
Experience with network management and monitoring services (SNMP, NTP, SSH, HTTPS, PKI, syslog)
Familiarity with change management processes and ticketing systems
Experience with Windows and Linux operating systems
Understanding of virtualization technologies
Ability to work mostly business hours with some evening work and participate in on-call rotation
Strong attention to detail and excellent verbal and written communication skills
Preferred Qualifications:
Experience with NX-OS (Cisco Nexus Operating System)
Experience with Cisco ACI (Application Centric Infrastructure)
Experience with F5 BIG-IP LTM (Local Traffic Manager)
Experience with Palo Alto Firewalls, Cisco ASA, and Cisco ISE
Knowledge of Cisco FXOS (FirePower Extensible Operating System) and UCS (Unified Computing System)
ITIL certification or knowledge of ITIL practices
Prior experience in a government IT environment
Patience and strong collaboration skills
Details
Target Salary Range: $80,000 - $128,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.
Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity.
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
See All 21 Senior Network Security Engineer Jobs in Mississippi
Find roles in Mississippi that match your experience and apply in just a few clicks.
Find JobsSenior Network Security Engineer Jobs by City in Mississippi
Where Mississippi roles are concentrated, by current openings.
Senior Network Security Engineer Job Market in Mississippi
A snapshot from current Mississippi openings, updated as new roles post.
Who's Hiring
- M.C. Dean4
- CVS Health2
- Blue Cross & Blue Shield of Mississippi2
- SAIC1
- Humana1
Top Industries Hiring
- Technology & Software4
- Consulting & Professional Services3
- Insurance2
- Education1
- Telecommunications1
What Mississippi Employers Look For
The qualifications that appear most often in senior network security engineer jobs across Mississippi.
- Active CISSP, CISM, or equivalent certification recognized by Mississippi federal and state employers
- Seven or more years of hands-on network security engineering experience in enterprise environments
- Deep knowledge of firewall management, intrusion detection systems, and SIEM platforms
- Experience securing government or defense networks under NIST, CMMC, or FedRAMP frameworks
- Proficiency with cloud security architecture across AWS, Azure, or Google Cloud environments
- Strong scripting and automation skills in Python, PowerShell, or Bash for security operations
Senior Network Security Engineer Jobs in Mississippi: Frequently Asked Questions
How do you become a senior network security engineer in Mississippi?
The concrete path starts with a bachelor's degree in computer science, cybersecurity, or information systems, followed by foundational certifications such as CompTIA Security+ and then advanced credentials like CISSP or CISM, which Mississippi's defense and government employers treat as a near-requirement at the senior level. Mississippi does not issue a state-specific network security license, so certification through recognized professional bodies combined with several years of progressive network security experience is the accepted hiring standard for senior roles.
How much do senior network security engineers make in Mississippi?
Senior network security engineers in Mississippi earn a median of about $87,690 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $51,170 for the lowest 10% to over $138,900 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire senior network security engineers in Mississippi?
Companies currently hiring senior network security engineers in Mississippi include M.C. Dean, CVS Health, and Blue Cross & Blue Shield of Mississippi, per current listings on Migrate Mate as of July 2026. Mississippi's concentration of defense contractors, regional banks, and state agency IT departments means openings appear across both the private sector and government-adjacent employers throughout the state.
Which Mississippi cities have the most senior network security engineer jobs?
Jackson, Biloxi, and Flowood hold the most senior network security engineer openings in Mississippi. Jackson leads because it houses the bulk of state government IT infrastructure and major financial institutions, while the Gulf Coast cities of Gulfport and Biloxi draw defense and federal contractor demand, and Ridgeland and Madison capture activity from suburban tech campuses and regional corporate headquarters clustered north of Jackson.
Are there remote senior network security engineer jobs in Mississippi?
Yes, and more than many technical roles, since senior network security engineering is largely desk-based and analytical work that translates well to distributed teams. About 25% of senior network security engineer openings tied to Mississippi are remote or hybrid as of July 2026, though roles supporting classified government or defense networks typically require on-site presence. Cloud security, security architecture review, and policy-focused positions are the sub-areas most likely to offer full remote arrangements.
How can I get hired as a senior network security engineer in Mississippi with little or no experience?
The most realistic entry path is a network administrator or IT support role at one of Mississippi's large state agencies, regional banks like Renasant or Trustmark, or a defense contractor such as Leidos, then moving laterally into a junior security analyst position once you hold CompTIA Security+ and have demonstrated monitoring or incident response work. Mississippi Community College Board institutions offer cybersecurity associate programs that several state employers recognize for entry-level hiring, and a strong home lab portfolio demonstrating firewall configuration or SIEM work meaningfully strengthens an application without prior security job titles.
Where can I find and apply to senior network security engineer jobs in Mississippi?
You can find and apply to senior network security engineer jobs in Mississippi on Migrate Mate, which lists current Mississippi openings across defense contractors, financial institutions, healthcare systems, and state government employers. Search the listings to find roles that match your experience level and specialization, then apply directly to the ones that fit.
See All 21 Senior Network Security Engineer Jobs in Mississippi
Find roles in Mississippi that match your experience and apply in just a few clicks.
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