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Spatial Front, Inc · 1 day ago

Senior Systems Engineer (Linux & Network)

DC-Baltimore Area

Full-time

Onsite

Mid, Senior Level

$80K/yr - $124K/yr

5+ years exp

Spatial Front, Inc is a company providing information system support for government systems. They are seeking a Senior Systems Engineer to design, build, and maintain secure IT infrastructures while serving as a technical leader and mentoring technical teams.

Information TechnologySoftware

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Administer Linux systems in enterprise and production environments (RHEL required)

Manage core OS services including disk management, DNS, networking, and package management

Automate administration using Bash, Python, Perl, and configuration management tools such as Ansible, Puppet, or Chef

Implement CIS hardening, patching, vulnerability remediation, and STIG/RMF compliance

Standardize Linux server templates and support migration efforts

Provide Tier 3 support and participate in a 24/7 on-call rotation

Mentor junior administrators and collaborate with cross-functional teams on new deployments

Deploy, configure, and manage Citrix ADC (NetScaler) for load balancing, SSL offloading, and high availability

Manage Public Key Infrastructure (PKI) and certificate lifecycle

Configure virtual servers, services, and traffic flows to ensure performance and security

Create and maintain SOPs, MOPs, architecture diagrams, and knowledge articles

Lead troubleshooting and crisis response for complex network and application issues

Develop automation using Python or NetScaler Console (ADM)

Demonstrate deep expertise in IPv6 implementation and design

Design, implement, and maintain security automation within DevSecOps pipelines. (Highly Desireable)

Build, maintain, and troubleshoot CI/CD pipelines using Jenkins and GitLab

Identify, assess, and prioritize vulnerabilities across applications and infrastructure

Partner with development and security teams to support remediation and continuous improvement

Qualification

Linux administrationNetwork engineeringCitrix ADC (NetScaler)DevSecOpsAWS networkingPythonBashSecurity complianceCloud infrastructureMulti-tasking skillsCommunication skillsProblem-solving skillsMentoring

Required

Bachelor's degree in Computer Science or a related field

5–8 years of Linux administration experience

5–8 years of network engineering experience, including at least 5 years with Citrix NetScaler

5–8 years of Citrix ADC (NetScaler) experience

Protocol experience including TCP/IP, BGP, OSPF, and SSL

Strong analytical, problem-solving, communication, and multi-tasking skills

Analyze technical needs, requirements, system designs, integrations, and operational impacts

Recommend and implement approved cost-cutting technologies and methods to improve efficiency and reduce PB-ITS costs

Lead teams and collaborate with infrastructure engineers to develop detailed designs and quality controls

Support implementation, tuning, optimization, maintenance, and enhancement of applications and integrations

Coordinate with GSA teams to ensure technical components align with Government requirements, including GSA IT CIO-IT Security-19-95

Plan PB-ITS system architectures, including long-term upgrades, redesigns, migrations, and modernization efforts

Create and maintain system designs, baselines, and implementation documentation

Coordinate with GSA IT teams to ensure that virtualization, backups, networking, authentication, authorization, and security functions operate optimally

Ensure compliance with IPv6 requirements as outlined in OMB M-21-07 and GSA IT policy